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Geographical Geographical [Axis] Unrealized losses from fair value Unrealized Gain (Loss) on Investments Other operating income, net Other Operating Income Other operating income AHS Device Hong Kong Limited A H S Device Hong Kong Limited [Member] AHS Device Hong Kong limited. Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Collection of Subscription Receivables Temporary Equity Collection Of Subscription Receivables Temporary equity collection of subscription receivables. Equity securities without readily determinable fair value Equity investments without readily determinable fair value Equity Securities without Readily Determinable Fair Value, Amount Lease liabilities due after one year Lessee Operating Lease Liability Due After One Year Lessee operating lease liability due after one year. Restricted Stock Units (RSUs) [Member] Non-vested restricted share units Restricted Share Units PRC State Administration of Taxation, China [Member] Estimated amortization expenses for 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Two Level 1 Fair Value, Inputs, Level 1 [Member] Issuance Temporary Equity, Stock Issued During Period, Value, New Issues Receivable Type [Axis] Write-down of inventories. Write-Down Of Inventories Write-down of inventories Shanghai Yueyee Shanghai Wanwuxinsheng Environmental Protection Technology Group Co., Ltd. (Previously Shanghai Yueyee Network Information Technology Co., Ltd) (“Shanghai Yueyee” or “Shanghai Wanwuxinsheng”) Shanghai Yueyee Network Information Technology Company Limited [Member] Shanghai Yueyee network information technology company limited. 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Relationships with the Group Class Of Stock [Line Items] Class of Stock [Line Items] Loans to related parties Payments to Fund Long-Term Loans to Related Parties Loan to related party Related Party Transactions [Abstract] Hong Kong HONG KONG Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Total current assets Assets, Current Vesting Vesting [Domain] Impairment loss of long-term investments Deferred Tax Assets Impairment Loss Of Long Term Investments Deferred tax assets impairment loss of long-term investments. 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Summary of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Subsequent Event Subsequent Event [Member] Calculated rate per shares. Calculated Rate Per Shares Calculated rate per share Subsequent Event Type Subsequent Event Type [Axis] Share-Based Payment Arrangement, Tranche Two [Member] First, Second and Third Anniversary Additional Paid-in Capital Additional Paid-in Capital [Member] Summary of Current and Deferred Portion of Income Tax Expenses Included in Consolidated Statements of Operations and Comprehensive Loss Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Year of assessment Income Tax Examination, Year under Examination Liabilities, Current [Abstract] Current liabilities: Current liabilities: VAT levy rate Value Added Tax Levy Rate Value added tax levy rate. Current assets: Assets, Current [Abstract] Issuance Date, June 3, 2019 June Three Two Thousand Nineteen [Member] June three two thousand nineteen. 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Other Operating Income, Net Other Operating Income Policy [Text Block] Other operating income. Prepaid subscription for convertible redeemable preferred shares Prepaid Subscription For Convertible Redeemable Preferred Shares Prepaid subscription for convertible redeemable preferred shares. Other equity method investments Other Equity Method Investments [Member] Other equity method investments. Document Registration Statement Document Registration Statement Summary of Changes in Goodwill Schedule of Goodwill [Table Text Block] Collection on behalf of others current. Collection On Behalf Of Others Current Collection on behalf of others Total current liabilities Liabilities, Current Credit Facility Agreements Credit Facility Agreements [Member] Credit facility agreements. 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Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Property and Equipment Estimated Useful Lives Schedule Of Estimated Useful Life Of Property And Equipment Net Table [Text Block] Schedule of estimated useful life of property and equipment net. Award Date Award Date [Domain] Supply Chain Financing Supply Chain Financing [text block] Supply Chain Financing. Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Investment, Name Investment, Name [Axis] Debt instrument, term Debt Instrument, Term Royalty saving rate. Royalty Saving Rate Royalty saving rate Award Type Award Type [Axis] Leases Lessee, Operating Leases [Text Block] Plan Name Plan Name [Axis] Fair value of underlying ordinary shares Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Fair Value Of Underlying Ordinary Shares Share based compensation arrangement by share based payment award fair value assumptions fair value of underlying ordinary shares. Debt conversion, amount of debt converted Debt Conversion, Original Debt, Amount Geographical Geographical [Domain] TOTAL ASSETS Assets Collection of investments in and loan to subsidiaries' and former VIE's subsidiaries Collection Of Investment In And Loan To Subsidiaries And Former Variable Interest Entities Subsidiaries Collection of investment in and loan to subsidiaries and former variable interest entities subsidiaries. Operating leases right-of-use assets (note) Lease assets Operating Lease, Right-of-Use Asset Total unrecognized compensation expenses related to options for the future period Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Property and equipment Property, Plant, and Equipment, Fair Value Disclosure Class A Ordinary Shares Common Class A Common Class A [Member] Exercise of warrant, Shares Stock Issued During Period Shares Warrants Exercised Stock issued during period shares warrants exercised. Entity Registrant Name Entity Registrant Name Deferred tax assets Components of Deferred Tax Assets [Abstract] Related Party Related Party, Type [Domain] Commission charges payable and others Commission charges payable and others Commission charges payable and others. Retained Earnings (Accumulated Deficit), Total Accumulated deficit Retained Earnings (Accumulated Deficit) Supplemental cash flow disclosures of continuing operations: Supplemental cash flow disclosures of operations: Supplemental Cash Flow Information [Abstract] Accumulated Deficit Retained Earnings [Member] 2016 Notes Two Thousand Sixteen Notes [Member] Two thousand sixteen notes. Class of Stock Class of Stock [Axis] Number of shares Outstanding, Beginning Balance Number of shares Outstanding, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Impairment of Intangible Assets, Finite-Lived Intangible assets impairment losses Qingdao Qingle Venture Capital Partnership (“Qingle”) Qingdao Qingle Venture Capital Partnership Qingle [Member] Qingdao Qingle Venture Capital Partnership. Deferred tax liabilities Deferred Income Tax Liabilities, Net Minimum Minimum Minimum [Member] Equity investments without readily determinable fair value Impairment loss of investments measured at measurement alternatives Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount Offline Channel Offline Channel [Member] Offline channel. Offline Channels Lease liabilities due within one year Lessee Operating Lease Liability Due Within One Year Lessee operating lease liability due within one year. Issuance Date, August 31, 2012 to November 11, 2016 August Thirty One Two Thousand Twelve To November Eleven Two Thousand Sixteen [Member] August thirty one two thousand twelve to November eleven two thousand sixteen. Revenues, Total Net revenues Revenues Proceeds from Stock Options Exercised Proceeds from exercise of options Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Impairment losses on deferred cost Less: Impairment losses on deferred cost Deferred cost, accumulated impairment loss. Deferred Cost, Accumulated Impairment Loss Schedule of Prepayments and Other Receivables, Net Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Total operating lease liabilities Operating lease liabilities Operating lease liabilities current and non-current Operating Lease, Liability Share-Based Payment Arrangement, Tranche One [Member] First and Second Anniversary Revenue Recognition Revenue [Policy Text Block] Expected volatility, Minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Equity Component Equity Component [Domain] Employee benefit expenses Defined Contribution Plan, Cost Stock Options Share-Based Payment Arrangement, Option [Member] Other acquisition. Other Acquisition [Member] Other acquisition Change in Accounting Principle, Accounting Standards Update, Adoption Date Change in Accounting Principle, Accounting Standards Update, Adoption Date Issuance Date, April 16, 2021 to May 25, 2021 April Sixteen To May Twenty Five Two Thousand Twenty One [Member] April sixteen to may twenty five two thousand twenty one. Place of incorporation/ establishment Entity Place Of Incorporation Or Establishment Entity place of incorporation or establishment. Software Software [Member] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Shanghai Aihui. Shanghai Aihui [Member] Shanghai Aihui Measurement Frequency Measurement Frequency [Axis] Debt Disclosure [Abstract] Loss on the disposal of business or subsidiary Gain (Loss) on Disposition of Business Convertible Bonds Convertible Bonds Policy [Text Block] Convertible bonds. Entity Current Reporting Status Entity Current Reporting Status Ordinary stock, shares authorized Common Stock, Shares Authorized Condensed Cash Flow Statements Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Due from Related Parties [Abstract] Due from Related Parties. Total deferred tax liabilities Deferred Tax Liabilities, Gross Share repurchase program, amount of shares authorized to be repurchased Stock Repurchase Program, Authorized Amount Number of shares repurchased Issuance, Shares Temporary Equity Stock Issued During Period Shares New Issues Temporary equity stock issued during period shares new issues. ASSETS Assets [Abstract] Net proceeds from issuance of ordinary shares Proceeds from Issuance of Common Stock Amortization expenses related to intangible assets Amortization of Intangible Assets Electronic Equipment Electronic Equipment [Member] Electronic equipment. Schedule of Assets Measured at Fair Value on Non-recurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Ordinary shares value Common Stock, Value, Issued Conversion price Debt Instrument, Convertible, Conversion Price Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Others Other [Member] Other. Repayments of Long-Term Debt, Total Repayments of Long-Term Debt Repayment of loan Sales channel directly to business. Sales Channel Directly to Business [Member] PJT Marketplace Accretion on convertible redeemable preferred shares Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Proceeds from Sale of Property, Plant, and Equipment, Total Proceeds from disposal of property and equipment Proceeds from Sale of Property, Plant, and Equipment Deductible temporary differences Deferred Tax Assets Deductible Temporary Differences Deferred tax assets deductible temporary differences. Furniture and Office Equipment Furniture and Fixtures [Member] Online Product Online Product [Member] Online product. Current Fiscal Year End Date Current Fiscal Year End Date Share-Based Payment Arrangement, Noncash Expense, Total Share-based compensation Share-Based Payment Arrangement, Noncash Expense Amount due from related parties, net (net of allowance for credit losses of RMB141 and RMB390 as of December 31, 2022 and 2023, respectively) Due From Related Parties Current Net The aggregate amount of receivables, net of expected credit loss, to be collected from related parties, which are usually due within one year. Auditor Name Auditor Name Loss from operations Operating Income (Loss) Loans to related parties Payments For Loans to Related Parties Payments for loans to related parties. 2021 Revolving Credit Facility Two Thousand And Twenty One Revolving Credit Facility [Member] 2021 Revolving credit facility. VAT regulations exempted percentage Value Added Tax Regulations Exempted Percentage Value added tax regulations exempted percentage. Fair value of total consideration transferred Net purchase consideration Business Combination, Consideration Transferred Tax Period Tax Period [Axis] Deferred Income Tax Expense (Benefit), Total Deferred tax benefits Deferred Income Tax Expense (Benefit) Income tax benefits Total income tax benefits Income Tax Expense (Benefit) Other Products Other Products [Member] Other products. Account Payable Accounts Payable and Accrued Liabilities Disclosure [Text Block] Percentage of concentration risk Concentration Risk, Percentage Share-based compensation expense Share-Based Payment Arrangement, Expense Expected volatility, Maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Measurement Input Type Measurement Input Type [Domain] Prepaid Investment Deposit Member Prepaid Investment Deposit Member Prepaid Investment Deposit Vendor payable Vendor payable Vendor payable. Number of new product suppliers. Number Of New Product Suppliers Number of new product supplier Taxes Payable, Current, Total Other tax payable Taxes Payable, Current Intangible assets, net Finite-Lived Intangible Assets, Net, Ending Balance Finite-Lived Intangible Assets, Net, Beginning Balance Finite-Lived Intangible Assets, Net ASU 2016-02 Accounting Standards Update 2016-02 [Member] Jinsong and its subsidiaries member. Jinsong And Its Subsidiaries Member Jinsong Group Indefinite-Lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure Intangible assets Accrued Expenses And Other Liabilities Current [Abstract] Accrued expenses and other liabilities current. Deposits from business partner Deposit Liability, Current Aggregate intrinsic value, Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Liquidation preference percentage of issuance price plus declared but unpaid dividends Temporary Equity Liquidation Preference Percentage Temporary equity liquidation preference percentage. Functional Currency And Foreign Currency Translation Functional Currency And Foreign Currency Translation Policy [Text Block] Functional currency and foreign currency translation. Aggregate principal amount Debt Instrument, Face Amount Net Loss Per Share Earnings Per Share, Policy [Policy Text Block] Yuekun Shanghai Yuekun Environmental Protection Technology Company Limited [Member] Shanghai Yuekun Environmental Protection Technology Company Limited. Parent Company Parent Company [Member] Temporary Equity Disclosure [Abstract] Repayments of Short-Term Debt, Total Repayment for short-term borrowings Repayment of short-term borrowings Repayments of Short-Term Debt 2018 to 2020 Two Thousand Eighteen To Two Thousand Twenty [Member] Two thousand eighteen to two thousand twenty. Other Nonoperating Income (Expense), Total Other income (loss), net Other Nonoperating Income (Expense) Other (loss) income, net Supplier Finance Program Obligation Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Supplier Finance Program Obligation Statement Of Financial Position Extensible Enumeration Not Disclosed Flag. Cash pledged as security of guarantees Cash pledged as security of guarantees Cash pledged as security of guarantees. Operating Expenses [Abstract] Operating (expenses) income Property, Plant and Equipment [Abstract] Summary of Supplemental Consolidated Balance Sheet Information Related to Lease Summary Of Supplemental Consolidated Balance Sheet Information Related To Lease Table [Text Block] Summary of supplemental consolidated balance sheet information related to lease. Long-term Debt, Type Long-Term Debt, Type [Domain] Entity Voluntary Filers Entity Voluntary Filers Subsequent Events [Abstract] Income (Loss) from Continuing Operations before Income Taxes, Foreign Loss (income) from non-Mainland China operations Convert to Class B Ordinary shares Temporary Equity Convert To Class B Ordinary Share Temporary equity, convert to Class B ordinary share. Commitments and Contingencies Disclosure [Abstract] Other non-current assets Other Assets, Noncurrent Share options granted Number of options, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Ordinary Shares Equity [Text Block] Share repurchase program Depreciation, Total Depreciation expense Depreciation Interest expenses paid Interest Paid, Excluding Capitalized Interest, Operating Activities Investments at Fair Value Investments [Member] Estimated amortization expenses for 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Four Estimated amortization expenses for 2024 Finite-Lived Intangible Asset, Expected Amortization, Year One Condensed Financial Information Disclosure [Abstract] Class B Ordinary Shares Common Class B Common Class B [Member] LIABILITIES Liabilities [Abstract] Effect of preferential tax treatment on income tax benefit Preferential Tax Rate Effect Preferential tax rate effect. Terminal growth rate. Terminal Growth Rate Terminal growth rate Equity, Attributable to Parent [Abstract] SHAREHOLDERS' EQUITY SHAREHOLDERS' EQUITY Investment Owned, at Fair Value, Ending Balance Investment Owned, at Fair Value, Beginning Balance Investments at fair value Investments including the fair value measured investments Investment Owned, Fair Value Summary of Lease Expense Lease, Cost [Table Text Block] PJT Marketplace Sales Channel, Through Intermediary [Member] Impairment of Intangible Assets (Excluding Goodwill), Total Impairment of Intangible Assets (Excluding Goodwill) Intangible assets impairment losses Entity Entity [Domain] Number of Reporting Units Reporting unit Long-lived assets. Long-lived Assets [Member] Long-Lived Assets Fair value change of investments Fair Value Change Of Investments Fair value change of investments. Net loss per share attributable to ordinary shareholders: Earnings Per Share [Abstract] Issuance Date, September 4 to September 14, 2020 September Four To September Fourteen Two Thousand Twenty [Member] September four to September fourteen two thousand twenty. Schedule of Future Minimum Lease Payments Under Non-Cancelable Operating Lease Agreement Based On 842 Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Number of customers Number Of Customers Number of customers. Investment, Name Investment, Name [Domain] Accounting Policies [Abstract] Accrued payroll and welfare Accrued Payroll Taxes, Current Share repurchase program, expiring date Stock Repurchase Program Expiration Date Weighted average interest rate Short-Term Debt, Weighted Average Interest Rate, over Time Mainland China Mainland China [Member] Mainland china. Former variable interest entity And subsidiaries. Former Variable Interest Entity And Subsidiaries [Member] Former VIE and Subsidiaries Certain Risks and Concentrations Concentration Risk, Credit Risk, Policy [Policy Text Block] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] American Depositary Shares American Depositary Shares [Member] American depositary shares. 2020 Revolving Credit Facility Two Thousand And Twenty Revolving Credit Facility [Member] 2020 Revolving credit facility. Payable for preferred shares issuance costs Cash Payable For Preferred Shares Issuance Costs Cash payable for preferred shares issuance costs. Revolving Credit Facility Revolving Credit Facility [Member] Equity method investment impairment loss Equity Method Investment, Other than Temporary Impairment Impairment loss of equity method investment Series A, B, C-1, C-2 Convertible Redeemable Preferred Shares Series A Series B Series C One And Series C Two Convertible Redeemable Preferred Shares [Member] Series A Series B Series C one and Series C Two convertible redeemable preferred shares. Net loss per ordinary share basic Basic Earnings Per Share, Basic Earnings Per Share, Basic, Total Customer Customer Concentration Risk [Member] Write-down of inventory Inventory Write-down Commitments and contingencies Commitments and Contingencies Condensed Financial Information Of Parent Company Only [Table] Condensed Financial Information Of Parent Company Only [Table] Condensed financial information of parent company only. Business Combinations [Abstract] Income Statement [Abstract] Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Related Party Related Party, Type [Axis] Contractual expense Contractual Expense Contractual expense. Operating lease expense Operating Lease, Cost Short-term lease expense Short-Term Lease, Cost Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total Unrecognized tax benefits, income tax penalties and interest expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Measurement Input Type Measurement Input Type [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Number of options, Vest and expect to vest Statistical Measurement Statistical Measurement [Domain] Cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Net cash (used in) provided by operating activities Cash provided by or (used in) operating activities Percentage of tax withholding rate if the investor holds less than 25% in foreign invested enterprises Percentage Of Tax Withholding Rate If The Investor Holds Less Than Twenty Five Percent In Foreign Invested Enterprises Percentage of tax withholding rate if the investor holds less than twenty five percent in foreign invested enterprises. Schedules of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Increase (Decrease) in Deferred Liabilities, Total Deferred tax liabilities Increase (Decrease) in Deferred Liabilities Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Intrinsic value, vested Deferred costs fair value. Deferred Costs Fair Value Deferred costs Schedule of major subsidiaries. Schedule of Major Subsidiaries [Table Text Block] Schedule of Major Subsidiaries Award Type Award Type [Domain] Document Period End Date Statistical Measurement Statistical Measurement [Axis] Less: allowance for credit losses Balance Balance Accounts Receivable, Allowance for Credit Loss Convert to Class A Ordinary shares, Shares Temporary Equity Convert To Class A Ordinary Share Shares Temporary equity, convert to Class A ordinary share, shares. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Impairment loss on deferred costs. Impairment Loss On Deferred Costs Deferred costs impairment loss Stockholders' Equity Note [Abstract] Accounts, Notes, Loans and Financing Receivable [Line Items] Debt Instrument Maturity Period Debt Instrument Maturity Period Net loss per ordinary share diluted Diluted Earnings Per Share, Diluted Earnings Per Share, Diluted, Total Product and Service Product and Service [Domain] 2024 Short Term Lease Commitment Due Next Twelve Months Short-term lease commitment due next twelve months. Deferred Tax Assets, Operating Loss Carryforwards, Total Tax loss carried forward Deferred Tax Assets, Operating Loss Carryforwards Goodwill Goodwill Policy [Text Block] Goodwill. Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Series C Convertible Redeemable Preferred Shares Series C Convertible Redeemable Preferred Shares [Member] Series C convertible redeemable preferred shares. Debt Instrument, Name Debt Instrument, Name [Domain] Weighted average exercise price per share, Vested but not exercised Share Based Compensation Arrangements By Share Based Payment Award Options Vested But Not Exercised In Period Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Vested But Not Exercised In Period Weighted Average Exercise Price. Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] US$ Denominated Loan U S Dollar Denominated Loan [Member] US Dollar denominated loan. Number of options, Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Series E Convertible Redeemable Preferred Shares Series E Convertible Redeemable Preferred Shares [Member] Series E convertible redeemable preferred shares. Loss before income taxes and share of loss in equity method investments Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Total loss before tax and share of loss of equity-method investments Investments in subsidiaries Investments In Subsidiaries Investments in subsidiaries. Aifenlei and its subsidiaries member. Aifenlei And Its Subsidiaries Member AiFenLei Group Prepaid Expense and Other Assets [Abstract] Related Party Transaction Related Party Transaction [Domain] Fair Value Recurring Fair Value, Recurring [Member] Convertible redeemable preferred shares dividends declared Convertible Redeemable Preferred Stock Dividends Declared Convertible redeemable preferred stock dividends declared. Summary Of Allowance For Doubtful Accounts Receivable Table [Text Block] Summary of allowance for doubtful accounts receivable. Summary of Movements in Allowance for Credit Losses for Prepayments and Other Receivables Prepayments and Other Receivables, Net Prepayments And Other Receivables Net [Text Block] Prepayments and other receivables net. Additional paid-in capital Additional Paid in Capital, Common Stock Inventories Inventory, Policy [Policy Text Block] Convertible redeemable preferred stock redemptions start date. Convertible Redeemable Preferred Stock Redemptions Start Date Convertible redeemable preferred shares, redemption start date Exercise of warrant Stock Issued During Period Value Warrants Exercised Stock issued during period value warrants exercised. Equity In Losses Of Subsidiaries Former Variable Interest Entity And Former Variable Interest Entitie`s Subsidiaries. Equity In Losses Of Subsidiaries Former Variable Interest Entity And Former Variable Interest Entitie`s Subsidiaries Equity in losses of subsidiaries, and share of loss from former VIE and former VIE's subsidiaries Convert to Class A Ordinary shares Temporary Equity Convert To Class A Ordinary Share Temporary equity, convert to Class A ordinary share. Foreign Currency Transaction Gain (Loss), before Tax, Total Gain (Loss), Foreign Currency Transaction, before Tax Foreign exchange losses (gains) Cash advanced to staff Cash Advanced To Staff Amount of Cash advanced to staff, expected to be returned within one year or the operating cycle, if longer. Payments for Repurchase of Common Stock Repurchase of ordinary shares Repurchase of ordinary shares Shanghai Aihui Trading Co., Ltd (“Shanghai Aihui”) Shanghai Aihui Trading Company Limited [Member] Shanghai Aihui trading company limited. Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Proceeds from Issuance Proceeds from issuance of convertible redeemable preferred shares Proceeds from Issuance of Redeemable Convertible Preferred Stock Shares repurchase period Stock Repurchase Program, Period in Force Proceeds from long-term borrowings Proceeds from Long-Term Lines of Credit Movement of Deferred Tax Valuation Allowance Summary of Valuation Allowance [Table Text Block] Due from Related Parties, non Current Amount Due from Related Parties, Noncurrent Due from related parties, noncurrent Number of options, Exercised Issuance of ordinary shares upon exercise of options Shares Stock Issued During Period Shares Stock Options Exercised Basis of Consolidation Consolidation, Policy [Policy Text Block] Liabilities and Equity [Abstract] LIABILITIES AND SHAREHOLDERS EQUITY Payment to increase the investment of ordinary shares Payment To Increase The Investment Of Ordinary Shares Payment to increase the investment of ordinary shares. Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Issuance upon conversion of convertible bonds, Shares Temporary Equity Issuance Upon Conversion Of Convertible Bonds Shares Temporary equity issuance upon conversion of convertible bonds shares. Conversion of Class A/B/C ordinary shares upon the completion of IPO, Shares Stock Issued During Period Shares Conversion Of Class A B C Ordinary Shares Upon Completion Of I P O Stock issued during period shares conversion of Class A/B/C ordinary shares upon the completion of IPO. Issuance Date, December 7, 2018 December Seven Two Thousand Eighteen [Member] December seven two thousand eighteen. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Interactive Data Current Entity Interactive Data Current Share-based compensation arrangement by share-based payment award, equity instruments other than options, weighted average grant date fair value. Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Weighted Average Grant Date Fair Value Weighted average grant date fair value Selling and Marketing Expense, Total Selling and marketing expenses Selling and Marketing Expense Green Shoe Option Over-Allotment Option [Member] Estimated amortization expenses for 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Three Credit Facility Credit Facility [Domain] Increase (Decrease) in Employee Related Liabilities, Total Accrued payroll and welfare Increase (Decrease) in Employee Related Liabilities Payment for convertible redeemable preferred shares issuance costs Payment For Convertible Redeemable Preferred Shares Issuance Costs Payment for convertible redeemable preferred shares issuance costs. Equity [Abstract] Schedule Of Short Term Debt [Table] Schedule of Short-Term Debt [Table] Ordinary and Preferred Shares Ordinary And Preferred Shares [Member] Ordinary and preferred shares. Number of shares, granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Payment to increase the investment of preferred shares Payment To Increase The Investment Of Preferred Shares Payment to increase the investment of preferred shares. Weighted average exercise price per share, Exercised Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Percentage of half current tax rate on first profits earned Percentage Of Half Current Tax Rate On First Profits Earned Percentage of half current tax rate on first profits earned. Changzhou Yueyi Network Information Technology Co., Ltd (“Changzhou Yueyi”) Changzhou Yueyi Network Information Technology Company Limited [Member] Changzhou Yueyi network information technology company limited. Schedule of Long-Term Investments Schedule Of Long Term Investments Table [Text Block] Schedule of long term investments. Equity Components Equity Components [Axis] Investments in and amounts due from subsidiaries Investments In And Amounts Due From Subsidiaries Investments in and amounts due from subsidiaries. Schedule Of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Weighted average grant date fair value, Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Local Phone Number Local Phone Number Repayments from related party Repayments From Related Parties Repayments from related parties Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Sale of Stock Sale of Stock [Axis] Summary of Accrued Expenses and Other Current Liabilities Schedule Of Accrued Expenses And Other Liabilities Current Table [Text Block] Schedule of accrued expenses and other liabilities current. Weighted average exercise price per share, Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Debt conversion, shares issued on conversion Debt Conversion, Converted Instrument, Shares Issued Non-cash right-of-use assets obtained in exchange for operating lease liabilities Non Cash Right Of Use Assets Obtained In Exchange For Operating Lease Liabilities Non-cash right-of-use assets obtained in exchange for operating lease liabilities. Restricted net assets Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries Convertible Loan Convertible Loan [Member] Convertible loan. Alternative Investments Measurement Input For Alternative Investments [Member] Measurement input for alternative investments. Schedule Of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill, Total Balance of goodwill as of December 31, 2020 and 2021 Goodwill Goodwill Balance at beginning of the year Balance at ending of the year Restricted cash Restricted Cash, Current Statement of Cash Flows [Abstract] Comprehensive Income, Policy [Policy Text Block] Comprehensive Loss Business cooperation agreement initial term Business Cooperation Agreement Initial Term Business cooperation agreement initial term. Series A Convertible Redeemable Preferred Shares Series A Convertible Redeemable Preferred Shares [Member] Series A convertible redeemable preferred shares. Organization, Consolidation and Presentation of Financial Statements [Abstract] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Property and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Prepaid subscription received amount Prepaid Subscription Received Amount Prepaid subscription received amount. Weighted average grant date fair value per share, Exercised Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercised Weighted Average Grant Date Fair Value The weighted average grant-date fair value of options exercised under the stock option plan. Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Document Annual Report Document Annual Report Ordinary stock, par value Common Stock, Par or Stated Value Per Share Accounts Receivable, Allowance for Credit Loss [Roll Forward] Service Service [Member] Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Effect of foreign exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Loan interest rate Debt Instrument, Interest Rate, Stated Percentage Debt instrument, interest rate Unrecognized compensation expenses, weighted average recognition period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Weighted average grant date fair value, Vested but not exercised Share Based Compensation Arrangement By Share Based Payment Award Options Vested But Not Exercised Weighted Average Grant Date Fair Value Share based Compensation Arrangement By Share based Payment Award Options Vested But Not Exercised Weighted Average Grant Date Fair Value. Weighted average remaining contractual life, Expect to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Aggregate number of shares for issuance Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Maximum Maximum Maximum [Member] China Dynamic Fund I SP China Dynamic Fund I S P [Member] China Dynamic Fund I SP. Accretion of convertible redeemable preferred shares Accretion On Convertible Redeemable Preferred Shares Accretion on convertible redeemable preferred shares. Contracts commitment, 2024 Contractual Obligation, to be Paid, Year One Temporary equity, shares outstanding Balance, Shares Balance, Shares Temporary Equity, Shares Outstanding Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Related Party Transaction Related Party Transaction [Axis] Share repurchase program. Share Repurchase Program Disclosure [Text Block] Share Repurchase Program Organization and Principal Activities Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total Share-based compensation Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Ownership Ownership [Domain] Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Total Non-current assets Assets, Noncurrent Purchase from related party Related Party Transaction, Purchases from Related Party Operating Leases Operating Leases Policy [Text Block] Operating leases. General and Administrative Expenses General and Administrative Expense [Member] Supplemental disclosure of non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Percentage Of Consolidated Liabilities Percentage of consolidated liabilities. Percentage of consolidated total liabilities Customers Customers [Member] Customers. Number of options, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Payment For Purchasing Shares Of Investment. Payment For Purchasing Shares Of Investment Payment for purchasing shares of investment Equity-method investments Document Financial Statement Error Correction [Flag] Summary of Diluted Net Loss Per Share not Include Following Instruments as their Inclusion would be Antidilutive Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Amount due to related parties Increase (Decrease) in Accounts Payable, Related Parties City Area Code City Area Code Inventories Inventory, Net, Total Inventory, Net Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Long-Term Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Rendering of services. Rendering of Services [Member] Rendering of Services Document Information [Line Items] Document Information [Line Items] Accounts Payable and Accrued Liabilities [Abstract] Proceeds from Issuance of Long-Term Debt, Total Proceeds from long-term borrowings Proceeds from Issuance of Long-Term Debt Business Acquisition [Line Items] Business Acquisition [Line Items] Number of voting rights Common Stock, Voting Rights Preferred share investments amount Preferred Share Investments Amount Preferred share investments amount. Customer Customer [Domain] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment General and Administrative Expense, Total General and administrative expenses General and Administrative Expense Other Receivables Other Receivables [Member] Other receivables. Basic Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic, Total Weighted average number of ordinary shares used in computing basic loss per ordinary share (note) Weighted average grant date fair value per share, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value VAT recoverables Prepaid Taxes Contact Personnel Email Address Contact Personnel Email Address Conversion of Class A/B/C ordinary shares upon the completion of IPO Stock Issued During Period Value Conversion Of Class A B C Ordinary Shares Upon Completion Of I P O Stock issued during period value conversion of Class A/B/C ordinary shares upon the completion of IPO. Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Operating lease agreement period description. Lessee, Operating Lease, Description Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Summary of Restricted Stock Option Activities Discount rate. Discount Rate Discount rate 2016 Plan Amended And Restated Share Incentive Plan [Member] Amended and restated share incentive plan. Business acquisition remaining equity interest in percentage. Business Acquisition Remaining Equity Interest In Percentage Equity interest in percentage remaining Statement [Table] Statement [Table] 2021 to 2024 Two Thousand Twenty One To Two Thousand Twenty Four [Member] Two Thousand Twenty One To Two Thousand Twenty Four. Summary of Share Option Activities Share-Based Payment Arrangement, Option, Activity [Table Text Block] Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Assumptions Used to Determine the Fair Value of Stock Options Under Binomial Option Pricing Model Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Contract liabilities Increase (Decrease) in Contract with Customer, Liability Document Fiscal Period Focus Document Fiscal Period Focus Mezzanine Equity Temporary Equity Policy [Text Block] Temporary equity. Total undiscounted cash flows Lessee, Operating Lease, Liability, to be Paid Total non-current liabilities Liabilities, Noncurrent Business Cooperation Agreement Contractual Rights [Member] Loss in equity method investments Share of loss in equity method investments Share of results of equity investees Share of loss in equity method investments Income (Loss) from Equity Method Investments Service Condition Service Condition [Member] Service condition. Investments Investment, Policy [Policy Text Block] Related Party Transactions Related Party Transactions Disclosure [Text Block] 2025 Lessee, Operating Lease, Liability, to be Paid, Year Two Statement [Line Items] Statement [Line Items] Statutory reserves and restricted net assets. Statutory Reserves and Restricted Net Assets Disclosure [Text Block] Statutory Reserves and Restricted Net Assets General and Administrative Expenses General And Administrative Expenses Policy [Text Block] General and administrative expenses. Accretion of convertible redeemable preferred shares Accretion of convertible redeemable preferred shares Accretion of convertible redeemable preferred shares Accretion Temporary Equity, Accretion to Redemption Value, Adjustment Amount due from related parties Amount Due from Related Parties Amount due from related parties. Series F Convertible Redeemable Preferred Shares Series F Convertible Redeemable Preferred Shares [Member] Series F convertible redeemable preferred shares. Anti-dilutive securities excluded from computation of diluted net loss per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Contract with Customer, Asset, after Allowance for Credit Loss, Total Contract asset Contract with Customer, Asset, after Allowance for Credit Loss Non cumulative dividends rate percentage. Non Cumulative Dividends Rate Percentage Non cumulative dividend rate percentage of issue price Machinery Machinery [Member] Impairment loss on equity method investment. Impairment Loss on Equity Method Investment Equity-method investments Total lease expense Lease, Cost Subsequent Event [Line Items] Subsequent Event [Line Items] Additions, net of foreign exchange impacts Deferred Tax Asset Valuation Allowance Additions Net Of Foreign Exchange Impacts Deferred tax asset valuation allowance additions net of foreign exchange impacts. Date of incorporation/ establishment Entity Incorporation, Date of Incorporation Subsidiaries interest, ownership percentage by parent. Subsidiaries Interest, Ownership Percentage by Parent Percentage of direct/indirect ownership Asset Class Asset Class [Domain] Summary of Deferred Tax Assets and Deferred Tax Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Accounts Receivable, after Allowance for Credit Loss, Current, Total Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable Issuance Date, July 5, 2018 with Issue Price $12.74 Shares Issued On July Five Two Thousand Eighteen With Issue Price Twelve Point Seven Four [Member] Shares issued on July five two thousand eighteen with issue price twelve point seven four. Customer Customer [Axis] Ordinary Shares Class A Ordinary Shares Ordinary Shares Debt Instrument [Line Items] Debt Instrument [Line Items] Construction in progress Construction in Progress, Gross Temporary equity, par value Temporary Equity, Par or Stated Value Per Share Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Performance Condition (IPO Condition) Performance Condition [Member] Performance condition. Aggregate intrinsic value, Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Business Contact Business Contact [Member] Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Others Other Receivables, Gross, Current ASU 2016-13 Accounting Standards Update 2016-13 [Member] Loss from Mainland China operations Income (Loss) from Continuing Operations before Income Taxes, Domestic Identifiable intangible assets and deferred cost acquired Deferred Tax Liabilities Identifiable Intangible Assets And Deferred Cost Acquired Deferred tax liabilities identifiable intangible assets and deferred cost acquired. Conversion of convertible redeemable preferred shares upon the completion of IPO Stock Issued During Period, Value, Conversion of Convertible Securities Deposits Deposits Assets, Current Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Effect of tax loss of prior year Cover [Abstract] Statutory reserves and restricted net assets. Statutory Reserves And Restricted Net Assets [Abstract] Vesting Vesting [Axis] Document Fiscal Year Focus Document Fiscal Year Focus Document Accounting Standard Document Accounting Standard Offline Channels. Offline Channels [Member] Offline Channels Condensed Statement Of Income Captions [Line Items] Condensed Statement of Income Captions [Line Items] Temporary Equity By Class Of Stock [Table] Temporary Equity, by Class of Stock [Table] Sale of Stock Sale of Stock [Domain] Option Indexed to Issuer's Equity, Type Option Indexed to Issuer's Equity, Type [Domain] Preferred Stock [Member] Preferred Shares Capitalized Contract Cost, Net, Total Contract cost Capitalized Contract Cost, Net Share-based Compensation Share-Based Payment Arrangement [Policy Text Block] Weighted average grant date fair value, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Cumulative dividends rate percentage. Cumulative Dividends Rate Percentage Cumulative dividend rate percentage of issue price Security Exchange Name Security Exchange Name Long-term investments (including the fair value measured investments of RMB15,780 and RMB12,310 as of December 31, 2022 and 2023, respectively) Total Long-Term Investments Long-term investments Share options expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Property, Plant and Equipment, Estimated Useful Lives Property, Plant and Equipment Useful Lives Property, Plant and Equipment Useful Lives Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Fulfillment expenses Fulfillment Expenses Fulfillment expenses. 2022 Revolving Credit Facility Two Thousand And Twenty Two Revolving Credit Facility [Member] 2022 Revolving credit facility. Yueqing Shanghai Yueqing Information Technology Company Limited [Member] Shanghai Yueqing Information Technology Company Limited. Schedule Of Finite Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total Property and equipment, gross Property, Plant and Equipment, Gross Effect of enacted tax rate change of deferred tax liabilities Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Number of options, Vested but not exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares Prepayments and other receivables, net Increase Decrease In Prepayments And Other Receivables Net Increase (decrease) in prepayments and other receivables, net. Provision for allowance for credit losses Provision For Allowance For Credit Losses Provision for allowance for credit losses. Fulfillment payable Fulfillment Payable Current Fulfillment payable current. Repurchase of ordinary shares value Repurchase Of Ordinary Shares Value Repurchase of ordinary shares value Cash consideration for shares repurchased Weighted average exercise price per share, Forfeited Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Business Acquisition, Acquiree Business Acquisition, Acquiree [Domain] JD Group J D Com Inc And Its Subsidiaries [Member] JD. Com, Inc. and its subsidiaries. Legal Entity Legal Entity [Axis] Gulin Shanghai Gulin Technology Company Limited [Member] Shanghai Gulin Technology Company Limited. Weighted average number of shares used in calculating net loss per ordinary share Weighted Average Number of Shares Outstanding, Diluted [Abstract] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary of significant accounting policies. JD Group JD Com Inc Its Subsidiaries and Affiliates [Member] JD.com, Inc., its subsidiaries and affiliates. Issuance of ordinary shares upon exercise of options Stock Issued During Period, Value, Stock Options Exercised Minimum requirements of after tax profit allocation Minimum Requirements Of After Tax Profit Allocation Minimum requirements of after tax profit allocation. Entity Emerging Growth Company Entity Emerging Growth Company Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Aggregate intrinsic value, Exercised Temporary Equity [Line Items] Temporary Equity [Line Items] Number of preferred shares converted into ordinary shares. Convertible Preferred Stock, Shares Issued upon Conversion Amendment Flag Amendment Flag Pre-Owned Consumer Electronic Products Pre Owned Consumer Electronic Products [Member] Pre-owned consumer electronic products. Series D Convertible Redeemable Preferred Shares Series D Convertible Redeemable Preferred Shares [Member] Series D convertible redeemable preferred shares. Document Shell Company Report Document Shell Company Report IPO IPO [Member] Threshold amount of profits earned for half the current tax rate Threshold Amount Of Profits Earned For Half Current Tax Rate Threshold amount of profits earned for half the current tax rate. Accounting Standards Update Accounting Standards Update [Domain] Technology/platform Technology-Based Intangible Assets [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Equity interest percentage Equity Method Investment, Ownership Percentage Equity ownership interests percentage 2023 Revolving Credit Facility Two Thousand And Twenty Three Revolving Credit Facility [Member] 2023 Revolving credit facility. Expenses And Income Loss [Abstract] Expenses and Income (Loss) Expenses and (loss) income Subsidiaries Subsidiaries [Member] Leases [Abstract] Tax Period Tax Period [Domain] Entity File Number Entity File Number Entity Addresses, Address Type Entity Addresses, Address Type [Axis] Contracts commitment, 2025 Contractual Obligation, to be Paid, Year Two Total deferred tax assets Deferred Tax Assets, Gross Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Income tax disclosure. Equity, Class of Treasury Stock [Line Items] Goodwill and Intangible Assets Disclosure [Abstract] Advance to suppliers (2) Prepaid Supplies Fair value, measurement, recurring basis, asset, gain (loss) included in earnings. Fair Value, Measurement, Recurring Basis, Asset, Gain (Loss) Included In Earnings Loss on assets and liabilities level 2 measured at fair value Loss on assets and liabilities level 2 measured at fair value Short Term Debt [Line Items] Short-Term Debt [Line Items] Share-Based Payment Arrangement [Abstract] Total lease expense Accounts payable Accounts Payable, Current Debt Instrument Debt Instrument [Axis] Convenience Translation into United States Dollars Convenience Translation Into United States Dollars Policy [Text Block] Convenience translation into united states dollars. Weighted average grant date fair value, Outstanding Weighted average grant date fair value, Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Less: valuation allowance Balance at beginning of the year Balance at end of the year Deferred Tax Assets, Valuation Allowance Increase (Decrease) in Due from Related Parties, Current, Total Amount due from related parties, net Increase (Decrease) in Due from Related Parties, Current Auditor Location Auditor Location Total Accrued expenses and other current liabilities Accrued Liabilities and Other Liabilities Convert to Class B Ordinary shares, Shares Temporary Equity Convert To Class B Ordinary Share Shares Temporary equity, convert to Class B ordinary share, shares. Entity Address, Address Line Two Entity Address, Address Line Two Loans to third parties Loans To Third Parties Loans to third parties. Entity Shell Company Entity Shell Company Number of operating segments Number of Operating Segments Investment Type Investment Type [Axis] Exercise multiples Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price Ordinary share investments amount Common Share Investments Amount Common share investments amount. Payment to increase in investment Payments to Acquire Investments Payments to Acquire Investments, Total Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Non-current liabilities: Liabilities, Noncurrent [Abstract] Net loss per share attributable to ordinary shareholders Earnings Per Share [Text Block] Net revenues Revenues [Abstract] Service received from related party Related Party Transaction, Expenses recognized from Transactions with Related Party Related party transaction, expenses recognized from transactions with related party. Entity Address, Address Line One Entity Address, Address Line One Net Revenues Revenue Benchmark [Member] Finite lived intangible assets accumulated impairment loss. Finite Lived Intangible Assets Accumulated Impairment Loss Less: accumulated impairment loss Exercise of warrant Exercise Of Warrant Exercise of warrant. Option Indexed to Issuer's Equity, Type Option Indexed to Issuer's Equity, Type [Axis] Issuance Date, June 26, 2018 June Twenty Six Two Thousand Eighteen [Member] June twenty six two thousand eighteen. Antidilutive Securities Antidilutive Securities [Axis] Amount due to related parties Others Other Liabilities, Current Finite-Lived Intangible Assets, Gross, Total Total Finite-Lived Intangible Assets, Gross Fulfillment Expenses Fulfillment Expenses Policy [Text Block] Fulfillment expenses. Debt Instrument, Interest Rate During Period Debt instrument, interest rate Accrued expenses and other current liabilities Accrued Expenses And Other Liabilities Current Accrued expenses and other liabilities current. Percentage Of Consolidated Assets Percentage of consolidated assets. Percentage of consolidated total assets Weighted average grant date fair value per share, Outstanding, Beginning Balance Weighted average grant date fair value, Outstanding, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Subsequent Event Type Subsequent Event Type [Domain] Proceeds from maturity of short-term investments Proceeds from Maturities, Prepayments and Calls of Short-Term Investments Goodwill [Member] Goodwill Issuance costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Debt instrument, term Short-Term Debt, Weighted Average Interest Rate, at Point in Time Weighted average interest rate Risk-free interest rate (per annum), Minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Income Statement Location Income Statement Location [Axis] Inventory provision Deferred Tax Assets, Inventory Risk-free interest rate (per annum), Maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Accrued deferred tax liabilities Accrued Deferred Tax Liabilities Accrued deferred tax liabilities. Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Long-term Debt, Type Long-Term Debt, Type [Axis] Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Prepayment for long-term investment. Prepayment For Long-Term Investment Prepayment for long-term investment Prepayment for long-term investment Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Fair Value, Nonrecurring Fair Value, Nonrecurring [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Product Product [Member] Class of Financing Receivable Class of Financing Receivable [Axis] Equity-method investment Equity-method investments Equity Method Investments Net service revenue from related party Revenue Earned From Related Parties Revenue earned from related parties. Depreciation, Depletion and Amortization, Total Depreciation and amortization Depreciation, Depletion and Amortization Shanghai Yueyi Network Information Technology Co., Ltd (“Shanghai Yueyi”) Shanghai Yueyi Network Information Technology Company Limited [Member] Shanghai Yueyi network information technology company limited. Product and Service Product and Service [Axis] Treasury Stock, Value, Acquired, Cost Method Treasury shares (US$0.001 par value, 5,699,315 outstanding as of December 31, 2022) Cash consideration for shares repurchased Yuejun Shanghai Yuejun Network Information Technology Company Limited [Member] Shanghai yuejun network information technology company limited. Class of Financing Receivable Class of Financing Receivable [Domain] Title of 12(b) Security Title of 12(b) Security Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Due from related parties non current net Due From Related Parties Non Current Net Amount due from related parties, net, non-current CONVERTIBLE REDEEMABLE PREFERRED SHARES (total redemption value of, RMB10,886,220 and nil as of December 31, 2020 and 2021, respectively) TOTAL MEZZANINE EQUITY Balance Balance Temporary Equity, Carrying Amount, Attributable to Parent Related Parties Allowance for Credit Losses, Net. Related Parties Allowance for Credit Losses, Net Related parties allowance for credit losses, net Repayment of related party loan Repayments of Related Party Debt Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Funds receivable from third party payment service providers Funds Receivable From Third Party Payment Service Providers Funds receivable from third party payment service providers. Summary of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Income Tax Authority, Name Income Tax Authority, Name [Axis] Investments Investments [Domain] Accounting Standards Update Accounting Standards Update [Axis] Accrued Expenses And Other Liabilities Current [Table] Accrued Expenses And Other Liabilities Current [Table] Accrued expenses and other liabilities current. Total comprehensive loss attributable to ordinary shareholders Comprehensive Income Loss Attributable To Ordinary Shareholders Comprehensive loss attributable to ordinary shareholders. Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent, Total Expenses not deductible for tax purposes Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Brand Names Trademarks [Member] Treasury Shares Treasury Stock, Common [Member] Entity Address, Country Entity Address, Country Prepaid Subscription Prepaid Subscription [Member] Prepaid subscription. Number of warranty period for pre-owned consumer Warranty Period For Pre Owned Consumer Warranty period for pre-owned consumer. Technology and Content Expenses Technology And Content Expenses [Member] Technology and content expenses. Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Effect of preferential tax treatment on basic and diluted net loss per share Preferential Tax Rate Effect Per Share Preferential tax rate effect per share. Former variable interest entity service fees charged. Former Variable Interest Entity Service Fees Charged Former variable interest entity service fees charged Estimated amortization expenses for 2028 and thereafter Finite Lived Intangible Assets Amortization Expense Year Five And Thereafter Finite lived intangible assets amortization expense year five and thereafter. Goodwill impairment loss Goodwill, Impairment Loss Goodwill impairment loss Impairment loss Impairment loss Segment Reporting Segment Reporting, Policy [Policy Text Block] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Subsequent Event [Table] Subsequent Event [Table] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Technology and Content Expenses Technology And Content Expenses Policy [Text Block] Technology and content expenses. Unrealized fair value losses for certain investments Deferred Tax Assets Unrealized Fair Value Losses For Certain Investments Deferred tax assets unrealized fair value losses for certain investments. Increase (Decrease) in Inventories, Total Inventories Increase (Decrease) in Inventories Contract with Customer, Liability, Total Contract liabilities Contract with Customer, Liability Issuance upon conversion of convertible bonds Temporary Equity Issuance Upon Conversion Of Convertible Bonds Value Temporary equity issuance upon conversion of convertible bonds value. Receivable [Domain] Motor Vehicle Motor vehicles [Member] Prepaid deposit. Prepaid Deposit [Member] Prepaid Deposit Aileyou Shenzhen Aileyou Information Technology Company Limited [Member] Shenzhen Aileyou Information Technology Company Limited. Jinsong (Shanghai) Network Information Technology CO. Ltd (“Jinsong”) Jinsong Shanghai Network Information Technology C O Ltd [Member] Jinsong (Shanghai) Network Information Technology CO. Ltd. Condensed Balance Sheet Statements Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Weighted average remaining contractual life, Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Ordinary stock, shares outstanding Common Stock, Shares, Outstanding Share Based Compensation Share-Based Payment Arrangement [Text Block] Weighted average grant date fair value, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Effect of expired tax loss Effective Income Tax Rate Reconciliation Effect Of Expired Tax Loss Effective income tax rate reconciliation effect of expired tax loss. Shanghai Gulin Technology Company Limited And Its Subsidiaries [Member] Shanghai Gulin Technology Company Limited And Its Subsidiaries [Member] Gulin Group Class of Treasury Stock [Table] Short-Term Debt, Total Short-term borrowings Short-Term Debt Remaining balance of loan agreements Concentration Risk Type Concentration Risk Type [Domain] Fair value of share option Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Fair Value Of Share Option Share-based compensation arrangement by share-based payment award, fair value assumptions, fair value of share option. Income Statement Location Income Statement Location [Domain] Weighted average exercise price per share, Granted Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Paipai Marketplace Sales Channel, Directly to Consumer [Member] Accrued Expenses and Other Current Liabilities Accrued Expenses And Other Liabilities Current Disclosure [Text Block] Accrued expenses and other liabilities current disclosure. Repurchase of ordinary shares Repurchase of Ordinary Shares Repurchase of ordinary shares Number of shares repurchased Document Type Document Type Collection of loan repayment from related parties Repayment For Loan To Related Parties Repayment for loan to related parties. Conversion of convertible redeemable preferred shares upon the completion of IPO, Shares Stock Issued During Period, Shares, Conversion of Convertible Securities Ownership Ownership [Axis] Intangible Assets, Net (Excluding Goodwill) [Abstract] Merchandise Costs Merchandise Costs Policy Text Bock Merchandise costs. 2021 to 2023 Two Thousand Twenty One To Two Thousand Twenty Three [Member] Two thousand twenty one to two thousand twenty three. Cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Cash provided by or (used in) investing activities Class C Ordinary Shares Common Class C Common Class C [Member] Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Weighted average grant date fair value, Vest and expect to vest Prepayments and other receivables, net of allowance for credit losses Prepayments and other receivables, net of allowance for credit losses Prepayments and other receivables, net of allowance for credit losses. Convertible redeemable preferred shares, conversion ratio Preferred Stock, Convertible, Conversion Ratio Net loss attributable to ordinary shareholders of the Company Net Income (Loss) Available to Common Stockholders, Basic Number of shares Outstanding, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Net Cash Provided by (Used in) Financing Activities Cash provided by (used in) financing activities Cash provided by or (used in) financing activities Additional shares authorized for issuance to expand award pool Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Short-Term Investments Short-Term Investments [Member] Entity Filer Category Entity Filer Category Impairment loss Other than Temporary Impairment Losses, Investments Rate of right to discontinue allocation to statutory reserve Rate Of Right To Discontinue Allocation To Statutory Reserve Rate of right to discontinue allocation to statutory reserve. Issuance Date, February 8, 2021 to May 25, 2021 February Eight To May Twenty Five Two Thousand Twenty One [Member] February eight to may twenty five two thousand twenty one. Organization And Principal Activities [Line Items] Organization And Principal Activities [Line Items] Organization and principal activities. Other non-current assets Increase (Decrease) in Other Noncurrent Assets Income Tax Authority, Name Income Tax Authority, Name [Domain] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Summary of Loss by Tax Jurisdiction Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Percentage of tax withholding rate if the investor holds at least 25% in foreign invested enterprises Percentage Of Tax Withholding Rate If The Investor Holds At Least Twenty Five Percent In Foreign Invested Enterprises Percentage of tax withholding rate if the investor holds at least twenty five percent in foreign invested enterprises. Amount due to related parties Amount Due to Related Parties, Current Amount due to related parties, current. Subscription for preferred shares value. Subscription for Preferred Shares Value Subscription for preferred shares value Short-term investments (including the fair value measured investments of RMB282,230 and RMB310,547 as of December 31, 2022 and 2023, respectively) Short-Term Investments, Total Short-term investments Short-Term Investments Current period write-off Accounts Receivable, Allowance for Credit Loss, Writeoff Asset Class Asset Class [Axis] NCC Noncompete Agreements [Member] Non-Compete Commitment TOTAL LIABILITIES Liabilities Effect of different tax rates of a subsidiary operating in other jurisdiction Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Share of loss in equity method investments Equity Method Investment, Realized Gain (Loss) on Disposal Purchases of short-term investments Payments to Acquire Short-Term Investments Accrued expenses and other current liabilities Increase Decrease In Accrued Expenses And Other Current Liabilities Increase (decrease) in accrued expenses and other current liabilities. Merchandise costs Merchandise Costs Merchandise costs. Identifiable intangible assets amortization years Finite-Lived Intangible Asset, Useful Life Noncash lease expense Non Cash Lease Expenses Noncash lease expenses. 2027 and thereafter Lessee Operating Lease Liability Payments Due After YearThree Lessee operating lease liability payments due after year three. Asset Impairment Charges, Total Asset Impairment Charges Impairment losses Impairment long-lived assets Operating lease liabilities Operating Lease Liability Adjustment Operating lease liability adjustment. Beginning Balance Ending Balance TOTAL SHAREHOLDERS' EQUITY Stockholders' Equity Schedule I - Additional Information of Parent Company Condensed Financial Information of Parent Company Only Disclosure [Text Block] Consolidated Entities Consolidated Entities [Axis] Intangible Assets, Net (Excluding Goodwill), Total Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Intangible assets Prepaid subscription for convertible redeemable preferred shares from a related party Prepaid Subscription For Convertible Redeemable Preferred Shares From Related Party Prepaid subscription for convertible redeemable preferred shares from a related party. Payment to suppliers Payment to supplier Supplier Finance Program, Obligation, Settlement Net loss Net Income (Loss) Attributable to Parent Net loss Net loss attributable to the Company Preferential EIT rate Preferential E I T Rate Preferential EIT rate. Interest Expense, Total Interest expense Interest Expense Accounts Payable, Current [Abstract] Proceeds from IPO, net of issuance cost of RMB46,931 Proceeds from Issuance Initial Public Offering Repayment for convertibles bonds Repayments of Convertible Debt Investments in and loan to subsidiaries' and former VIE's subsidiaries Payments For Investment In And Loan To Subsidiaries And Former Variable Interest Entities Subsidiaries Payments for investment in and loan to subsidiaries and former variable interest entities subsidiaries. Deferred cost (4) Deferred Costs, Current, Total Deferred Costs, Current Deferred costs Award Date Award Date [Axis] Issuance Date, June 3 to September 16, 2019 June Three To September Sixteen Two Thousand Nineteen [Member] June three to September sixteen two thousand nineteen. Super deduction on technology and content expenses Effective Income Tax Rate Reconciliation Super Deduction On Technology And Content Expenses Effective income tax rate reconciliation super deduction on technology and content expenses. Schedule of Supplier Finance Program Supplier Finance Program [Table Text Block] Convertible Bonds Convertible Debt [Member] Series B, C-1, C-2, C-3, D,E and F Convertible Redeemable Preferred Shares Series B Series C One Series C Two Series C Three Series D Series E And Series F Convertible Redeemable Preferred Shares [Member] Series B, C-1, C-2, C-3, D, E and F convertible redeemable preferred shares. Statement of Financial Position [Abstract] Diluted Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Weighted average number of ordinary shares used in computing diluted loss per ordinary share (note) Impairment loss of intangible assets, deferred cost and goodwill. Impairment Loss Of Intangible Assets, Deferred Cost And Goodwill Impairment loss of intangible assets, deferred cost and goodwill Yuejun Shanghai Yuejun Environmental Protection Technology Company Limited [Member] Shanghai yuejun environmental protection technology company limited. Schedule of Reconciliation of Total Tax Expenses Computed by Applying Respective Statutory Income Tax Rate to Pre-Tax Income Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Property and equipment impairment loss Property and equipment Impairment loss of property and equipment Credit Facility Credit Facility [Axis] Weighted average grant date fair value, Exercisable Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Grant Date Fair Value The weighted average grant-date fair value of options outstanding and currently exercisable under the stock option plan. Ordinary shares issued price per share Issue Price per Share Shares Issued, Price Per Share Total Effective Income Tax Rate Reconciliation, Percent Intangible Assets, Net Intangible Assets Net Policy [Text Block] Intangible assets, net. Share-based compensation, Shares Adjustments To Additional Paid In Capital Share Based Compensation Requisite Service Period Recognition Shares Adjustments to additional paid in capital share based compensation requisite service period recognition shares. Schedule of Account Payable Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Weighted-average remaining lease term (in years) – operating leases Operating Lease, Weighted Average Remaining Lease Term Contact Personnel Name Contact Personnel Name Use of Estimates Use of Estimates, Policy [Policy Text Block] Other Equity Securities Without Readily Determinable Fair Values Other Equity Securities Without Readily Determinable Fair Values [Member] Other equity securities without readily determinable fair values. Fulfillment Expenses Fulfillment Expenses [Member] Fulfillment expenses. Taxation Income Tax Disclosure [Text Block] Income Tax Disclosure [Table] Income Tax Disclosure [Table] Income tax disclosure. Funds receivable from third party payment service providers Increase Decrease In Funds Receivable From Third Party Payment Service Provider Increase decrease in funds receivable from third party payment service provider. Contract with Customer, Sales Channel Contract with Customer, Sales Channel [Axis] Weighted average exercise price per share, Outstanding, Beginning Balance Weighted average exercise price per share, Outstanding, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Purchase of long-term investments Purchases of long-term investments Payments to Acquire Long-Term Investments AiFenLei AiFenLei Global Co., Ltd. (“AiFenLei”) Ai Fen Lei Global Co Ltd [Member] AiFenLei Global Co., Ltd. Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Sales incentive. Sales Incentive [Member] Sales Incentive Summary of Basic And Diluted Net Loss Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Paipai Marketplace Paipai Marketplace [Member] Paipai marketplace. Paipai Treasury stock par or stated value per share. Treasury Stock Par Or Stated Value Per Share Treasury stock, par value Collection of loan repayments from third parties Repayment For Loan To Third Party Repayment for loan to third party. Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Leasehold Improvements Leasehold Improvements [Member] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Loan to business partners Loan Amount Receivable From Business Partners Loan amount receivable from business partners. Other Channel Sales Channel Through Other [Member] Sales channel through other. Current Income Tax Expense (Benefit), Total Current tax expenses Current Income Tax Expense (Benefit) Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Measurement Frequency Measurement Frequency [Domain] Payments to Acquire Property, Plant, and Equipment, Total Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Intrinsic value, outstanding Number of shares Outstanding, Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Number of shares, vested Number of shares vested Ordinary stock, shares issued Stock Issued During Period, Shares, New Issues Issuance of ordinary shares at the initial public offering ("IPO"), net of issuance cost, Shares Operating lease expense Operating Lease, Expense Business Acquisition Business Acquisition [Axis] Total cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash, cash equivalent and restricted cash at the beginning of the year Cash, cash equivalent and restricted cash at the end of the year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Less: imputed interest Lessee Operating Lease Liability Payments Imputed Interest Lessee operating lease liability payments imputed interest. Debt instrument, covenant compliance Debt Instrument, Covenant Compliance Income Tax Disclosure [Abstract] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Loans Loans Loan [Member] Loan. Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets Effective income tax rate reconciliation reversal of deferred tax liabilities. Effective Income Tax Rate Reconciliation Reversal Of Deferred Tax Liabilities Reversal of deferred tax liabilities Condensed Statement Of Comprehensive Income [Table] Condensed Statement of Comprehensive Income [Table] Net operating loss carry forwards Operating Loss Carryforwards