3.26.3 html 640 386 1 false 211 0 false 7 false false R1.htm 995300 - Document - Cover Sheet http://dataseainc.com/20260630/role/Cover Cover Cover 1 false false R2.htm 995301 - Document - Audit Information Sheet http://dataseainc.com/20260630/role/AuditInformation Audit Information Cover 2 false false R3.htm 995302 - Statement - Consolidated Balance Sheets Sheet http://dataseainc.com/20260630/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 3 false false R4.htm 995303 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://dataseainc.com/20260630/role/ConsolidatedBalanceSheetsParentheticals Consolidated Balance Sheets (Parentheticals) Statements 4 false false R5.htm 995304 - Statement - Consolidated Statements of Operations and Comprehensive Loss Sheet http://dataseainc.com/20260630/role/ConsolidatedStatementsofOperationsandComprehensiveLoss Consolidated Statements of Operations and Comprehensive Loss Statements 5 false false R6.htm 995305 - Statement - Consolidated Statements of Changes in Stockholders’ Equity Sheet http://dataseainc.com/20260630/role/ConsolidatedStatementsofChangesinStockholdersEquity Consolidated Statements of Changes in Stockholders’ Equity Statements 6 false false R7.htm 995306 - Statement - Consolidated Statements of Cash Flows Sheet http://dataseainc.com/20260630/role/ConsolidatedStatementsofCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 995307 - Disclosure - Organization and Description of Business Sheet http://dataseainc.com/20260630/role/OrganizationandDescriptionofBusiness Organization and Description of Business Notes 8 false false R9.htm 995308 - Disclosure - Summary of Significant Accounting Policies Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 995309 - Disclosure - Property and Equipment Sheet http://dataseainc.com/20260630/role/PropertyandEquipment Property and Equipment Notes 10 false false R11.htm 995310 - Disclosure - Intangible Assets Sheet http://dataseainc.com/20260630/role/IntangibleAssets Intangible Assets Notes 11 false false R12.htm 995311 - Disclosure - Prepaid Expenses and Other Current Assets Sheet http://dataseainc.com/20260630/role/PrepaidExpensesandOtherCurrentAssets Prepaid Expenses and Other Current Assets Notes 12 false false R13.htm 995312 - Disclosure - Contract Liability Sheet http://dataseainc.com/20260630/role/ContractLiability Contract Liability Notes 13 false false R14.htm 995313 - Disclosure - Accrued Expenses and Other Payables Sheet http://dataseainc.com/20260630/role/AccruedExpensesandOtherPayables Accrued Expenses and Other Payables Notes 14 false false R15.htm 995314 - Disclosure - Loans Payable Sheet http://dataseainc.com/20260630/role/LoansPayable Loans Payable Notes 15 false false R16.htm 995315 - Disclosure - Related Party Transactions Sheet http://dataseainc.com/20260630/role/RelatedPartyTransactions Related Party Transactions Notes 16 false false R17.htm 995316 - Disclosure - Common Stock and Warrants Sheet http://dataseainc.com/20260630/role/CommonStockandWarrants Common Stock and Warrants Notes 17 false false R18.htm 995317 - Disclosure - Income Taxes Sheet http://dataseainc.com/20260630/role/IncomeTaxes Income Taxes Notes 18 false false R19.htm 995318 - Disclosure - Commitments Sheet http://dataseainc.com/20260630/role/Commitments Commitments Notes 19 false false R20.htm 995319 - Disclosure - Subsequent Events Sheet http://dataseainc.com/20260630/role/SubsequentEvents Subsequent Events Notes 20 false false R21.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 21 false false R22.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 22 false false R23.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 23 false false R24.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 24 false false R25.htm 996321 - Disclosure - Accounting Policies, by Policy (Policies) Sheet http://dataseainc.com/20260630/role/AccountingPoliciesbyPolicyPolicies Accounting Policies, by Policy (Policies) Policies http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPolicies 25 false false R26.htm 996322 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPolicies 26 false false R27.htm 996323 - Disclosure - Property and Equipment (Tables) Sheet http://dataseainc.com/20260630/role/PropertyandEquipmentTables Property and Equipment (Tables) Tables http://dataseainc.com/20260630/role/PropertyandEquipment 27 false false R28.htm 996324 - Disclosure - Intangible Assets (Tables) Sheet http://dataseainc.com/20260630/role/IntangibleAssetsTables Intangible Assets (Tables) Tables http://dataseainc.com/20260630/role/IntangibleAssets 28 false false R29.htm 996325 - Disclosure - Prepaid Expenses and Other Current Assets (Tables) Sheet http://dataseainc.com/20260630/role/PrepaidExpensesandOtherCurrentAssetsTables Prepaid Expenses and Other Current Assets (Tables) Tables http://dataseainc.com/20260630/role/PrepaidExpensesandOtherCurrentAssets 29 false false R30.htm 996326 - Disclosure - Contract Liability (Tables) Sheet http://dataseainc.com/20260630/role/ContractLiabilityTables Contract Liability (Tables) Tables http://dataseainc.com/20260630/role/ContractLiability 30 false false R31.htm 996327 - Disclosure - Accrued Expenses and Other Payables (Tables) Sheet http://dataseainc.com/20260630/role/AccruedExpensesandOtherPayablesTables Accrued Expenses and Other Payables (Tables) Tables http://dataseainc.com/20260630/role/AccruedExpensesandOtherPayables 31 false false R32.htm 996328 - Disclosure - Loans Payable (Tables) Sheet http://dataseainc.com/20260630/role/LoansPayableTables Loans Payable (Tables) Tables http://dataseainc.com/20260630/role/LoansPayable 32 false false R33.htm 996329 - Disclosure - Income Taxes (Tables) Sheet http://dataseainc.com/20260630/role/IncomeTaxesTables Income Taxes (Tables) Tables http://dataseainc.com/20260630/role/IncomeTaxes 33 false false R34.htm 996330 - Disclosure - Commitments (Tables) Sheet http://dataseainc.com/20260630/role/CommitmentsTables Commitments (Tables) Tables http://dataseainc.com/20260630/role/Commitments 34 false false R35.htm 996331 - Disclosure - Organization and Description of Business (Details) Sheet http://dataseainc.com/20260630/role/OrganizationandDescriptionofBusinessDetails Organization and Description of Business (Details) Details http://dataseainc.com/20260630/role/OrganizationandDescriptionofBusiness 35 false false R36.htm 996332 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesTables 36 false false R37.htm 996333 - Disclosure - Summary of Significant Accounting Policies - Schedule of Condensed Consolidating Statements of Operation Information (Details) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofCondensedConsolidatingStatementsofOperationInformationDetails Summary of Significant Accounting Policies - Schedule of Condensed Consolidating Statements of Operation Information (Details) Details 37 false false R38.htm 996334 - Disclosure - Summary of Significant Accounting Policies - Schedule of Condensed Consolidating Balance Sheets Information (Details) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofCondensedConsolidatingBalanceSheetsInformationDetails Summary of Significant Accounting Policies - Schedule of Condensed Consolidating Balance Sheets Information (Details) Details 38 false false R39.htm 996335 - Disclosure - Summary of Significant Accounting Policies - Schedule of Condensed Consolidating Cash Flows Information (Details) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofCondensedConsolidatingCashFlowsInformationDetails Summary of Significant Accounting Policies - Schedule of Condensed Consolidating Cash Flows Information (Details) Details 39 false false R40.htm 996336 - Disclosure - Summary of Significant Accounting Policies - Schedule of Property and Equipment is Provided Using the Straight-Line Method Over Estimated Useful Lives (Details) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofPropertyandEquipmentisProvidedUsingtheStraightLineMethodOverEstimatedUsefulLivesDetails Summary of Significant Accounting Policies - Schedule of Property and Equipment is Provided Using the Straight-Line Method Over Estimated Useful Lives (Details) Details 40 false false R41.htm 996337 - Disclosure - Summary of Significant Accounting Policies - Schedule of Revenue Sources (Details) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofRevenueSourcesDetails Summary of Significant Accounting Policies - Schedule of Revenue Sources (Details) Details 41 false false R42.htm 996338 - Disclosure - Summary of Significant Accounting Policies - Schedule of Exchange Rates used to Translate Amounts (Details) Sheet http://dataseainc.com/20260630/role/SummaryofSignificantAccountingPoliciesScheduleofExchangeRatesusedtoTranslateAmountsDetails Summary of Significant Accounting Policies - Schedule of Exchange Rates used to Translate Amounts (Details) Details 42 false false R43.htm 996339 - Disclosure - Property and Equipment (Details) Sheet http://dataseainc.com/20260630/role/PropertyandEquipmentDetails Property and Equipment (Details) Details http://dataseainc.com/20260630/role/PropertyandEquipmentTables 43 false false R44.htm 996340 - Disclosure - Property and Equipment - Schedule of Property and Equipment (Details) Sheet http://dataseainc.com/20260630/role/PropertyandEquipmentScheduleofPropertyandEquipmentDetails Property and Equipment - Schedule of Property and Equipment (Details) Details 44 false false R45.htm 996341 - Disclosure - Intangible Assets (Details) Sheet http://dataseainc.com/20260630/role/IntangibleAssetsDetails Intangible Assets (Details) Details http://dataseainc.com/20260630/role/IntangibleAssetsTables 45 false false R46.htm 996342 - Disclosure - Intangible Assets - Schedule of Intangible Assets (Details) Sheet http://dataseainc.com/20260630/role/IntangibleAssetsScheduleofIntangibleAssetsDetails Intangible Assets - Schedule of Intangible Assets (Details) Details 46 false false R47.htm 996343 - Disclosure - Prepaid Expenses and Other Current Assets (Details) Sheet http://dataseainc.com/20260630/role/PrepaidExpensesandOtherCurrentAssetsDetails Prepaid Expenses and Other Current Assets (Details) Details http://dataseainc.com/20260630/role/PrepaidExpensesandOtherCurrentAssetsTables 47 false false R48.htm 996344 - Disclosure - Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) Sheet http://dataseainc.com/20260630/role/PrepaidExpensesandOtherCurrentAssetsScheduleofPrepaidExpensesandOtherCurrentAssetsDetails Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) Details 48 false false R49.htm 996345 - Disclosure - Contract Liability (Details) Sheet http://dataseainc.com/20260630/role/ContractLiabilityDetails Contract Liability (Details) Details http://dataseainc.com/20260630/role/ContractLiabilityTables 49 false false R50.htm 996346 - Disclosure - Unearned Revennue - Schedule of Contract Liability (Details) Sheet http://dataseainc.com/20260630/role/UnearnedRevennueScheduleofContractLiabilityDetails Unearned Revennue - Schedule of Contract Liability (Details) Details 50 false false R51.htm 996347 - Disclosure - Accrued Expenses and Other Payables - Schedule of Accrued Expenses and Other Payables (Details) Sheet http://dataseainc.com/20260630/role/AccruedExpensesandOtherPayablesScheduleofAccruedExpensesandOtherPayablesDetails Accrued Expenses and Other Payables - Schedule of Accrued Expenses and Other Payables (Details) Details 51 false false R52.htm 996348 - Disclosure - Loans Payable (Details) Sheet http://dataseainc.com/20260630/role/LoansPayableDetails Loans Payable (Details) Details http://dataseainc.com/20260630/role/LoansPayableTables 52 false false R53.htm 996349 - Disclosure - Loans Payable - Schedule of Loan Balance (Details) Sheet http://dataseainc.com/20260630/role/LoansPayableScheduleofLoanBalanceDetails Loans Payable - Schedule of Loan Balance (Details) Details 53 false false R54.htm 996350 - Disclosure - Related Party Transactions (Details) Sheet http://dataseainc.com/20260630/role/RelatedPartyTransactionsDetails Related Party Transactions (Details) Details http://dataseainc.com/20260630/role/RelatedPartyTransactions 54 false false R55.htm 996351 - Disclosure - Common Stock and Warrants (Details) Sheet http://dataseainc.com/20260630/role/CommonStockandWarrantsDetails Common Stock and Warrants (Details) Details http://dataseainc.com/20260630/role/CommonStockandWarrants 55 false false R56.htm 996352 - Disclosure - Income Taxes (Details) Sheet http://dataseainc.com/20260630/role/IncomeTaxesDetails Income Taxes (Details) Details http://dataseainc.com/20260630/role/IncomeTaxesTables 56 false false R57.htm 996353 - Disclosure - Income Taxes - Schedule of Income (Loss) Before Provision for (Benefit from) Income Taxes (Details) Sheet http://dataseainc.com/20260630/role/IncomeTaxesScheduleofIncomeLossBeforeProvisionforBenefitfromIncomeTaxesDetails Income Taxes - Schedule of Income (Loss) Before Provision for (Benefit from) Income Taxes (Details) Details 57 false false R58.htm 996354 - Disclosure - Income Taxes - Schedule of Components of the Provision for (Benefit from) Income Taxes (Details) Sheet http://dataseainc.com/20260630/role/IncomeTaxesScheduleofComponentsoftheProvisionforBenefitfromIncomeTaxesDetails Income Taxes - Schedule of Components of the Provision for (Benefit from) Income Taxes (Details) Details 58 false false R59.htm 996355 - Disclosure - Income Taxes - Schedule of Reconciles the PRC Statutory Rates to the Company’s Effective Tax Rate (Details) Sheet http://dataseainc.com/20260630/role/IncomeTaxesScheduleofReconcilesthePRCStatutoryRatestotheCompanysEffectiveTaxRateDetails Income Taxes - Schedule of Reconciles the PRC Statutory Rates to the Company’s Effective Tax Rate (Details) Details 59 false false R60.htm 996356 - Disclosure - Income Taxes - Schedule of Cash Paid for Income Taxes, Net of Refunds (Details) Sheet http://dataseainc.com/20260630/role/IncomeTaxesScheduleofCashPaidforIncomeTaxesNetofRefundsDetails Income Taxes - Schedule of Cash Paid for Income Taxes, Net of Refunds (Details) Details 60 false false R61.htm 996357 - Disclosure - Income Taxes - Schedule of Net Deferred Tax Assets (Details) Sheet http://dataseainc.com/20260630/role/IncomeTaxesScheduleofNetDeferredTaxAssetsDetails Income Taxes - Schedule of Net Deferred Tax Assets (Details) Details 61 false false R62.htm 996358 - Disclosure - Commitments (Details) Sheet http://dataseainc.com/20260630/role/CommitmentsDetails Commitments (Details) Details http://dataseainc.com/20260630/role/CommitmentsTables 62 false false R63.htm 996359 - Disclosure - Commitments - Schedule of Rent Expense (Details) Sheet http://dataseainc.com/20260630/role/CommitmentsScheduleofRentExpenseDetails Commitments - Schedule of Rent Expense (Details) Details 63 false false R64.htm 996360 - Disclosure - Commitments - Schedule of Lease Cost (Details) Sheet http://dataseainc.com/20260630/role/CommitmentsScheduleofLeaseCostDetails Commitments - Schedule of Lease Cost (Details) Details 64 false false R65.htm 996361 - Disclosure - Commitments - Schedule of Maturities of Operating Lease Liabilities (Details) Sheet http://dataseainc.com/20260630/role/CommitmentsScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails Commitments - Schedule of Maturities of Operating Lease Liabilities (Details) Details 65 false false R66.htm 996362 - Disclosure - Subsequent Events (Details) Sheet http://dataseainc.com/20260630/role/SubsequentEventsDetails Subsequent Events (Details) Details http://dataseainc.com/20260630/role/SubsequentEvents 66 false false All Reports Book All Reports dtss-20260630.xsd dtss-20260630_cal.xml dtss-20260630_def.xml dtss-20260630_lab.xml dtss-20260630_pre.xml ea0306773-20f_datasea.htm ea030677301_img1.jpg ea030677301_img2.jpg ea030677301_img3.jpg ea030677301_img4.jpg ea030677301_img5.jpg ea030677301_img6.jpg ea030677301_img7.jpg ea030677301_img8.jpg ea030677301_img9.jpg http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/cyd/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 true true