CTK CooTek Cayman Inc

CooTek(Cayman)Inc.00017342622021-01-012021-06-3000017342622020-05-182020-05-180001734262srt:MaximumMember2020-05-180001734262ctk:RepurchasePlanMember2021-01-012021-06-300001734262us-gaap:TreasuryStockMember2020-01-012020-06-300001734262ctk:RepurchasePlanMember2020-01-012020-06-300001734262us-gaap:CommonClassAMemberus-gaap:CommonStockMember2020-01-012020-06-300001734262dei:AdrMemberus-gaap:SubsequentEventMember2021-08-162021-08-160001734262us-gaap:CommonClassAMemberus-gaap:CommonStockMember2021-01-012021-06-300001734262ctk:January2021NotesMember2021-01-012021-03-310001734262us-gaap:RetainedEarningsMember2021-06-300001734262us-gaap:AdditionalPaidInCapitalMember2021-06-300001734262us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-06-300001734262us-gaap:RetainedEarningsMember2020-12-310001734262us-gaap:AdditionalPaidInCapitalMember2020-12-310001734262us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-12-310001734262us-gaap:RetainedEarningsMember2020-06-300001734262us-gaap:AdditionalPaidInCapitalMember2020-06-300001734262us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-06-300001734262us-gaap:RetainedEarningsMember2019-12-310001734262us-gaap:AdditionalPaidInCapitalMember2019-12-310001734262us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-12-3100017342622020-10-012021-12-3100017342622018-11-062018-11-060001734262ctk:ShareBasedPaymentArrangementOptionMember2020-12-310001734262ctk:ShareBasedPaymentArrangementOptionMemberctk:OptionPlan2012Member2021-01-012021-06-300001734262us-gaap:RestrictedStockUnitsRSUMember2020-12-310001734262us-gaap:ProductAndServiceOtherMember2021-01-012021-06-300001734262us-gaap:AdvertisingMember2021-01-012021-06-300001734262ctk:CountriesOtherThanUsaAndChinaMember2021-01-012021-06-300001734262country:US2021-01-012021-06-300001734262country:CN2021-01-012021-06-300001734262us-gaap:ProductAndServiceOtherMember2020-01-012020-06-300001734262us-gaap:AdvertisingMember2020-01-012020-06-300001734262ctk:CountriesOtherThanUsaAndChinaMember2020-01-012020-06-300001734262country:US2020-01-012020-06-300001734262country:CN2020-01-012020-06-300001734262ctk:CreditFacility2018Member2020-01-012020-12-310001734262us-gaap:VehiclesMember2021-06-300001734262us-gaap:OfficeEquipmentMember2021-06-300001734262us-gaap:LeaseholdImprovementsMember2021-06-300001734262ctk:ElectronicEquipmentMember2021-06-300001734262us-gaap:VehiclesMember2020-12-310001734262us-gaap:OfficeEquipmentMember2020-12-310001734262us-gaap:LeaseholdImprovementsMember2020-12-310001734262us-gaap:ConstructionInProgressMember2020-12-310001734262ctk:ElectronicEquipmentMember2020-12-310001734262ctk:LineOfCredit2016Member2021-01-012021-06-300001734262ctk:LineOfCredit2016Member2020-01-012020-12-310001734262us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-01-012021-06-300001734262us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-01-012020-06-300001734262srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:AccountingStandardsUpdate201602Member2021-01-010001734262country:US2021-06-300001734262country:CN2021-06-300001734262country:US2020-12-310001734262country:CN2020-12-310001734262us-gaap:RetainedEarningsMember2021-01-012021-06-300001734262us-gaap:RetainedEarningsMember2020-01-012020-06-300001734262ctk:LineOfCredit2016Member2021-06-300001734262ctk:CreditFacility2018Member2020-12-310001734262ctk:LineOfCredit2016Member2020-06-300001734262ctk:CreditFacility2018Member2020-06-300001734262ctk:CreditFacility2018Member2018-07-310001734262ctk:LineOfCredit2016Member2016-07-310001734262us-gaap:AccountingStandardsUpdate201602Member2021-01-012021-01-010001734262ctk:ShareBasedPaymentArrangementOptionMember2021-06-300001734262us-gaap:RestrictedStockUnitsRSUMember2021-06-300001734262dei:AdrMember2021-01-012021-06-300001734262dei:AdrMember2020-01-012020-06-300001734262ctk:January2021NotesMember2021-06-300001734262ctk:March2021NotesMemberus-gaap:SubsequentEventMember2021-07-012021-08-310001734262ctk:March2021NotesMember2021-06-012021-06-300001734262ctk:January2021NotesMember2021-01-190001734262srt:MaximumMemberctk:January2021NotesMemberdei:AdrMember2021-01-192021-01-190001734262ctk:March2021NotesMemberus-gaap:SubsequentEventMember2021-08-310001734262ctk:March2021NotesMember2021-06-300001734262ctk:January2021NotesMember2021-03-310001734262ctk:March2021NotesMember2021-03-190001734262srt:MaximumMemberctk:January2021NotesMemberdei:AdrMember2021-01-190001734262ctk:January2021NotesMemberus-gaap:AdditionalPaidInCapitalMember2021-01-012021-03-310001734262ctk:LineOfCredit2016Memberus-gaap:PrimeRateMember2021-06-012021-06-300001734262ctk:LineOfCredit2016Memberus-gaap:PrimeRateMember2019-10-012019-10-310001734262ctk:CreditFacility2018Memberctk:PrevailingBaseLendingRateOfPeoplesBankOfChinaSixMonthsMember2019-10-012019-10-310001734262ctk:CompanyMemberus-gaap:RevenueFromContractWithCustomerMemberus-gaap:CustomerConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyGMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyEMemberus-gaap:SellingAndMarketingExpenseMemberctk:VendorConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyEMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyDMemberus-gaap:SellingAndMarketingExpenseMemberctk:VendorConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyDMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyBMemberus-gaap:RevenueFromContractWithCustomerMemberus-gaap:CustomerConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyBMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2021-01-012021-06-300001734262ctk:CompanyMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2020-01-012020-12-310001734262ctk:CompanyFMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2020-01-012020-12-310001734262ctk:CompanyEMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2020-01-012020-12-310001734262ctk:CompanyCMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2020-01-012020-12-310001734262ctk:CompanyBMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2020-01-012020-12-310001734262ctk:CompanyCMemberus-gaap:SellingAndMarketingExpenseMemberctk:VendorConcentrationRiskMember2020-01-012020-06-300001734262ctk:CompanyBMemberus-gaap:RevenueFromContractWithCustomerMemberus-gaap:CustomerConcentrationRiskMember2020-01-012020-06-300001734262us-gaap:CommonClassBMemberus-gaap:CommonStockMember2021-06-300001734262us-gaap:CommonClassAMemberus-gaap:CommonStockMember2021-06-300001734262us-gaap:TreasuryStockMember2021-06-300001734262us-gaap:CommonClassBMemberus-gaap:CommonStockMember2020-12-310001734262us-gaap:CommonClassAMemberus-gaap:CommonStockMember2020-12-310001734262us-gaap:TreasuryStockMember2020-12-310001734262us-gaap:CommonClassBMemberus-gaap:CommonStockMember2020-06-300001734262us-gaap:CommonClassAMemberus-gaap:CommonStockMember2020-06-300001734262us-gaap:TreasuryStockMember2020-06-300001734262us-gaap:CommonClassBMemberus-gaap:CommonStockMember2019-12-310001734262us-gaap:CommonClassAMemberus-gaap:CommonStockMember2019-12-310001734262us-gaap:TreasuryStockMember2019-12-310001734262us-gaap:CommonClassBMember2020-12-310001734262us-gaap:CommonClassBMember2021-06-300001734262us-gaap:CommonClassAMember2020-12-310001734262currency:CNY2021-06-300001734262currency:CNY2020-12-3100017342622018-12-3100017342622020-06-300001734262us-gaap:StockCompensationPlanMember2021-01-012021-06-300001734262us-gaap:RestrictedStockUnitsRSUMember2021-01-012021-06-300001734262ctk:SharesOfConvertibleNotesMember2021-01-012021-06-300001734262us-gaap:StockCompensationPlanMember2020-01-012020-06-300001734262us-gaap:RestrictedStockUnitsRSUMember2020-01-012020-06-3000017342622019-12-310001734262us-gaap:ResearchAndDevelopmentExpenseMember2021-01-012021-06-300001734262us-gaap:GeneralAndAdministrativeExpenseMember2021-01-012021-06-300001734262us-gaap:CostOfSalesMember2021-01-012021-06-300001734262us-gaap:RestrictedStockUnitsRSUMember2020-01-012020-06-300001734262us-gaap:ResearchAndDevelopmentExpenseMember2020-01-012020-06-300001734262us-gaap:GeneralAndAdministrativeExpenseMember2020-01-012020-06-300001734262us-gaap:CostOfSalesMember2020-01-012020-06-300001734262ctk:ShareBasedPaymentArrangementOptionMember2020-01-012020-06-300001734262us-gaap:SellingAndMarketingExpenseMember2021-01-012021-06-300001734262us-gaap:SellingAndMarketingExpenseMember2020-01-012020-06-300001734262ctk:CompanyMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2021-06-300001734262ctk:CompanyBMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2021-06-300001734262ctk:CompanyMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2020-12-310001734262ctk:CompanyBMemberus-gaap:AccountsReceivableMemberus-gaap:CustomerConcentrationRiskMember2020-12-310001734262ctk:CompanyGMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2021-06-300001734262ctk:CompanyEMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2021-06-300001734262ctk:CompanyDMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2021-06-300001734262ctk:CompanyFMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2020-12-310001734262ctk:CompanyEMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2020-12-310001734262ctk:CompanyCMemberus-gaap:AccountsPayableMemberctk:VendorConcentrationRiskMember2020-12-310001734262us-gaap:CommonClassAMember2021-06-300001734262us-gaap:CommonClassAMember2020-06-300001734262us-gaap:TreasuryStockMember2021-01-012021-06-300001734262us-gaap:TreasuryStockMember2021-01-012021-06-300001734262us-gaap:AdditionalPaidInCapitalMember2021-01-012021-06-300001734262ctk:ShareBasedPaymentArrangementOptionMember2021-01-012021-06-300001734262ctk:ShareBasedPaymentArrangementOptionMember2020-01-012020-12-310001734262us-gaap:RestrictedStockUnitsRSUMember2021-01-012021-06-300001734262us-gaap:SubsequentEventMember2021-08-162021-08-160001734262ctk:StandbyEquityDistributionAgreementMember2021-01-222021-01-220001734262srt:MinimumMemberctk:ShareBasedPaymentArrangementOptionMemberctk:OptionPlan2012Member2021-01-012021-06-300001734262srt:MaximumMemberctk:ShareBasedPaymentArrangementOptionMemberctk:OptionPlan2012Member2021-01-012021-06-300001734262us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-01-012021-06-300001734262us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2020-01-012020-06-300001734262ctk:ShortTermLineOfCreditMember2021-03-012021-03-310001734262ctk:StandbyEquityDistributionAgreementMember2021-06-3000017342622021-03-012021-03-310001734262ctk:March2021NotesMember2021-01-012021-06-300001734262ctk:January2021NotesMember2021-01-192021-01-190001734262ctk:March2021NotesMember2021-03-192021-03-190001734262dei:AdrMember2021-06-300001734262ctk:LineOfCredit2016Member2020-12-012020-12-3100017342622020-01-012020-12-310001734262us-gaap:AdditionalPaidInCapitalMember2020-01-012020-06-3000017342622020-01-012020-06-300001734262us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-06-3000017342622021-06-300001734262us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2020-12-3100017342622020-12-31iso4217:USDxbrli:purectk:itemctk:loaniso4217:USDxbrli:sharesxbrli:sharesiso4217:CNYctk:Dctk:segment