3.25.3 html 217 257 1 false 54 0 false 13 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsUnaudited Condensed Consolidated Balance Sheets (Unaudited) Statements 2 false false R3.htm 75020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.soundthinking.com/20250930/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - Condensed Consolidated Statements of Operations (Unaudited) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfOperationsUnaudited Condensed Consolidated Statements of Operations (Unaudited) Statements 4 false false R5.htm 75040 - Statement - Condensed Consolidated Statements of Comprehensive Loss (Unaudited) Sheet http://www.soundthinking.com/20250930/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveLossUnaudited Condensed Consolidated Statements of Comprehensive Loss (Unaudited) Statements 5 false false R6.htm 75050 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfStockholdersEquityUnaudited Condensed Consolidated Statements of Stockholders' Equity (Unaudited) Statements 6 false false R7.htm 75060 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 7 false false R8.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 8 false false R9.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 9 false false R10.htm 995455 - Disclosure - Organization and Description of Business Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureOrganizationAndDescriptionOfBusiness Organization and Description of Business Notes 10 false false R11.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 11 false false R12.htm 995475 - Disclosure - Revenue Related Disclosures Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureRevenueRelatedDisclosures Revenue Related Disclosures Notes 12 false false R13.htm 995495 - Disclosure - Fair Value Measurements Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureFairValueMeasurements Fair Value Measurements Notes 13 false false R14.htm 995515 - Disclosure - Intangible Assets, Net Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureIntangibleAssetsNet1 Intangible Assets, Net Notes 14 false false R15.htm 995525 - Disclosure - Details of Certain Condensed Consolidated Balance Sheet Accounts Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureDetailsOfCertainCondensedConsolidatedBalanceSheetAccounts Details of Certain Condensed Consolidated Balance Sheet Accounts Notes 15 false false R16.htm 995535 - Disclosure - Related Party Transactions Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureRelatedPartyTransactions Related Party Transactions Notes 16 false false R17.htm 995545 - Disclosure - Restructuring Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureRestructuring Restructuring Notes 17 false false R18.htm 995555 - Disclosure - Stock Repurchase Program Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureStockRepurchaseProgram Stock Repurchase Program Notes 18 false false R19.htm 995565 - Disclosure - Net Income (Loss) per Share Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureNetIncomeLossPerShare Net Income (Loss) per Share Notes 19 false false R20.htm 995575 - Disclosure - Equity Incentive Plans Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureEquityIncentivePlans Equity Incentive Plans Notes 20 false false R21.htm 995585 - Disclosure - Financing Arrangements Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureFinancingArrangements1 Financing Arrangements Notes 21 false false R22.htm 995595 - Disclosure - Commitments and Contingencies Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 22 false false R23.htm 995605 - Disclosure - Segment Reporting Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureSegmentReporting Segment Reporting Notes 23 false false R24.htm 995615 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 24 false false R25.htm 995625 - Disclosure - Revenue Related Disclosures (Tables) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureRevenueRelatedDisclosuresTables Revenue Related Disclosures (Tables) Tables http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureRevenueRelatedDisclosures 25 false false R26.htm 995665 - Disclosure - Intangible Assets, Net (Tables) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureIntangibleAssetsNetTables Intangible Assets, Net (Tables) Tables http://www.soundthinking.com/20250930/taxonomy/role/DisclosureIntangibleAssetsNet1 26 false false R27.htm 995675 - Disclosure - Details of Certain Condensed Consolidated Balance Sheet Accounts (Tables) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureDetailsOfCertainCondensedConsolidatedBalanceSheetAccountsTables Details of Certain Condensed Consolidated Balance Sheet Accounts (Tables) Tables http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureDetailsOfCertainCondensedConsolidatedBalanceSheetAccounts 27 false false R28.htm 995685 - Disclosure - Net Income (Loss) per Share (Tables) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureNetIncomeLossPerShareTables Net Income (Loss) per Share (Tables) Tables http://www.soundthinking.com/20250930/taxonomy/role/DisclosureNetIncomeLossPerShare 28 false false R29.htm 995695 - Disclosure - Equity Incentive Plans (Tables) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureEquityIncentivePlansTables Equity Incentive Plans (Tables) Tables http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureEquityIncentivePlans 29 false false R30.htm 995705 - Disclosure - Organization and Description of Business - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureOrganizationAndDescriptionOfBusinessAdditionalInformationDetails Organization and Description of Business - Additional Information (Details) Details 30 false false R31.htm 995715 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 31 false false R32.htm 995725 - Disclosure - Revenue Related Disclosures - Schedule of Changes in Deferred Revenue (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureRevenueRelatedDisclosuresScheduleOfChangesInDeferredRevenueDetails Revenue Related Disclosures - Schedule of Changes in Deferred Revenue (Details) Details 32 false false R33.htm 995735 - Disclosure - Revenue Related Disclosures - Schedule of Remaining Performance Obligations for Contractually Committed Revenues (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureRevenueRelatedDisclosuresScheduleOfRemainingPerformanceObligationsForContractuallyCommittedRevenuesDetails Revenue Related Disclosures - Schedule of Remaining Performance Obligations for Contractually Committed Revenues (Details) Details 33 false false R34.htm 995745 - Disclosure - Revenue Related Disclosures - Schedule of Remaining Performance Obligations for Contractually Committed Revenues 1 (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureRevenueRelatedDisclosuresScheduleOfRemainingPerformanceObligationsForContractuallyCommittedRevenues1Details Revenue Related Disclosures - Schedule of Remaining Performance Obligations for Contractually Committed Revenues 1 (Details) Details 34 false false R35.htm 995755 - Disclosure - Revenue Related Disclosures - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureRevenueRelatedDisclosuresAdditionalInformationDetails Revenue Related Disclosures - Additional Information (Details) Details 35 false false R36.htm 995765 - Disclosure - Fair Value Measurements - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails Fair Value Measurements - Additional Information (Details) Details 36 false false R37.htm 995785 - Disclosure - Intangible Assets, Net - Schedule of Intangible Assets Net (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureIntangibleAssetsNetScheduleOfIntangibleAssetsNetDetails Intangible Assets, Net - Schedule of Intangible Assets Net (Details) Details 37 false false R38.htm 995795 - Disclosure - Intangible Assets, Net - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureIntangibleAssetsNetAdditionalInformationDetails Intangible Assets, Net - Additional Information (Details) Details 38 false false R39.htm 995805 - Disclosure - Intangible Assets, Net - Schedule of Future Intangible Asset Amortization (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureIntangibleAssetsNetScheduleOfFutureIntangibleAssetAmortizationDetails Intangible Assets, Net - Schedule of Future Intangible Asset Amortization (Details) Details 39 false false R40.htm 995815 - Disclosure - Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Accounts Receivable and Contract Assets, Net (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureDetailsOfCertainCondensedConsolidatedBalanceSheetAccountsScheduleOfAccountsReceivableAndContractAssetsNetDetails Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Accounts Receivable and Contract Assets, Net (Details) Details 40 false false R41.htm 995825 - Disclosure - Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Prepaid Expenses and Other Current Assets (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureDetailsOfCertainCondensedConsolidatedBalanceSheetAccountsScheduleOfPrepaidExpensesAndOtherCurrentAssetsDetails Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Prepaid Expenses and Other Current Assets (Details) Details 41 false false R42.htm 995835 - Disclosure - Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Other Long-term Assets (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureDetailsOfCertainCondensedConsolidatedBalanceSheetAccountsScheduleOfOtherLongtermAssetsDetails Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Other Long-term Assets (Details) Details 42 false false R43.htm 995845 - Disclosure - Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Accrued Expenses and Other Current Liabilities (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureDetailsOfCertainCondensedConsolidatedBalanceSheetAccountsScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails Details of Certain Condensed Consolidated Balance Sheet Accounts - Schedule of Accrued Expenses and Other Current Liabilities (Details) Details 43 false false R44.htm 995855 - Disclosure - Related Party Transactions - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAdditionalInformationDetails Related Party Transactions - Additional Information (Details) Details 44 false false R45.htm 995865 - Disclosure - Restructuring - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureRestructuringAdditionalInformationDetails Restructuring - Additional Information (Details) Details 45 false false R46.htm 995875 - Disclosure - Stock Repurchase Program - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureStockRepurchaseProgramAdditionalInformationDetails Stock Repurchase Program - Additional Information (Details) Details 46 false false R47.htm 995885 - Disclosure - Net Income (Loss) per Share - Summary of Computation of Basic and Diluted Net Income (Loss) per Share (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureNetIncomeLossPerShareSummaryOfComputationOfBasicAndDilutedNetIncomeLossPerShareDetails Net Income (Loss) per Share - Summary of Computation of Basic and Diluted Net Income (Loss) per Share (Details) Details http://www.soundthinking.com/20250930/taxonomy/role/DisclosureNetIncomeLossPerShareTables 47 false false R48.htm 995895 - Disclosure - Net Income (Loss) per Share - Schedule of Anti-dilutive Shares Outstanding Excluded in Calculation of Diluted Net Income (Loss) per Share (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureNetIncomeLossPerShareScheduleOfAntidilutiveSharesOutstandingExcludedInCalculationOfDilutedNetIncomeLossPerShareDetails Net Income (Loss) per Share - Schedule of Anti-dilutive Shares Outstanding Excluded in Calculation of Diluted Net Income (Loss) per Share (Details) Details http://www.soundthinking.com/20250930/taxonomy/role/DisclosureNetIncomeLossPerShareTables 48 false false R49.htm 995915 - Disclosure - Equity Incentive Plans - Schedule of Stock Option Activity (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureEquityIncentivePlansScheduleOfStockOptionActivityDetails Equity Incentive Plans - Schedule of Stock Option Activity (Details) Details 49 false false R50.htm 995925 - Disclosure - Equity Incentive Plans - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureEquityIncentivePlansAdditionalInformationDetails Equity Incentive Plans - Additional Information (Details) Details 50 false false R51.htm 995935 - Disclosure - Equity Incentive Plans - Schedule of Unvested Restricted Stock Units Awards Activity - (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureEquityIncentivePlansScheduleOfUnvestedRestrictedStockUnitsAwardsActivityDetails Equity Incentive Plans - Schedule of Unvested Restricted Stock Units Awards Activity - (Details) Details 51 false false R52.htm 995945 - Disclosure - Equity Incentive Plans - Schedule of Stock-Based Compensation Expense Recorded in Condensed Consolidated Statements of Operations (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/Role_DisclosureEquityIncentivePlansScheduleOfStockBasedCompensationExpenseRecordedInCondensedConsolidatedStatementsOfOperationsDetails Equity Incentive Plans - Schedule of Stock-Based Compensation Expense Recorded in Condensed Consolidated Statements of Operations (Details) Details 52 false false R53.htm 995955 - Disclosure - Financing Arrangements - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureFinancingArrangementsAdditionalInformationDetails Financing Arrangements - Additional Information (Details) Details 53 false false R54.htm 995975 - Disclosure - Segment Reporting - Additional Information (Details) Sheet http://www.soundthinking.com/20250930/taxonomy/role/DisclosureSegmentReportingAdditionalInformationDetails Segment Reporting - Additional Information (Details) Details 54 false false All Reports Book All Reports ssti-20250930.htm ssti-20250930.xsd http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false