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Current operating lease liabilities Hosted Environment Usage Fees [Member] Represents the Hosted environment usage fees. Consulting Services and Other [Member] Represents the consulting services and other. Cloud Based usage Fees [Member] Represents the cloud based usage fees. Customer One [Member] Represents the first customer. smsi_NumberOfCustomers Number of Customers Represents the number of customers. Customer Three [Member] Represents the third customer. Accounts Receivable [Member] Customer Two [Member] Represents the second customer. us-gaap_ProceedsFromSaleOfProductiveAssets Proceeds from Sale of Productive Assets us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1 Vested and expected to vest, weighted average remaining contractual term (Year) smsi_RepaymentsOfFinancialArrangements Repayments of financing arrangements Amount of cash outflow for the payments of the financial arrangements. Non-cash lease expense The amount of lease expense classified as a non-cash expense. us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1 Exercisable, weighted average remaining contractual term (Year) Concentration Risk Type [Domain] Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Notes Warrants [Member] Represents the notes warrants. Statement of Stockholders' Equity [Abstract] Intangible Asset, Finite-Lived, Class [Axis] Additional Warrants [Member] Represents the additional warrants. Intangible Asset, Finite-Lived, Class [Domain] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Statement of Cash Flows [Abstract] Adjusted research and development Adjusted amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Stockholders' equity: Adjusted selling and marketing The adjusted amount of expenses directly related to the marketing or selling of products or services. Equity Components [Axis] smsi_OperatingIncomeLossAdjustedAmount Adjusted operating loss The adjusted net result for the period of deducting operating expenses from operating revenues. Adjusted general and administrative The adjusted aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Adjusted cost of revenues The adjusted value of the aggregate cost of goods produced and sold and services rendered during the reporting period. The 2015 Omnibus Equity Incentive Plan [Member] Represents the companies 2015 Omnibus Equity Incentive Plan. Equity Component [Domain] us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) Fair Value, Inputs, Level 3 [Member] Family Safety [Member] Represents family safety. Equity [Text Block] AOCI Attributable to Parent [Member] ViewSpot [Member] Represents ViewSpot. us-gaap_ClassOfWarrantOrRightOutstanding Class of Warrant or Right, Outstanding (in shares) Additional Paid-in Capital [Member] CommSuite [Member] Represents the CommSuite. smsi_SharebasedCompensationArrangementBySharebasedPaymentAwardPartialValueAwards Share-Based Compensation Arrangement by Share-Based Payment Award, Partial Value Awards (in shares) The number of partial value awards related to the shares under the share-based compensation arrangement. smsi_SharebasedCompensationArrangementBySharebasedPaymentAwardFullValueAwards Share-Based Compensation Arrangement by Share-Based Payment Award, Full Value Awards (in shares) The number of full value awards related to the shares under the share-based compensation arrangement. Equipment and improvements, net Cost of revenues, depreciation Subsequent Event Type [Domain] Provision for credit losses Subsequent Event [Table] Subsequent Event Type [Axis] Sale of Stock [Axis] Cost of revenues (including depreciation of $0 and $1 in the three months ended March 31, 2026 and 2025, respectively) Non-cash compensation recognized on stock options and employee stock purchase plan ("ESPP") Intangible Asset and Goodwill [Text Block] Share-Based Payment Arrangement, Option, Activity [Table Text Block] Fair Value Disclosures [Text Block] Substantial Doubt about Going Concern [Text Block] Share-Based Payment Arrangement, Option [Member] Supplemental disclosure of non-cash financing activities: Current liabilities: us-gaap_LiabilitiesCurrent Total current liabilities Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Accounts receivable Customer Concentration Risk [Member] smsi_ProceedsFromIssuanceDebtAndWarrants Proceeds from Issuance Notes and Warrants Amount of cash inflow from issuance of debt and warrants. Registered Direct Offering [Member] Represents Registered Direct Offering. Debt and Warrant Disclosure [Text Block] The entire disclosure for information about debt and warrants. Lease, Cost [Table Text Block] Huffmyer [Member] Represents Huffmyer. Smith [Member] Represents Smith. The September 11, 2025 Notes [Member] Represents the September 11, 2025 Notes. Customer Relationships [Member] smsi_DebtInstrumentMaximumBorrowingCapacity Debt Instrument, Maximum Borrowing Capacity Maximum borrowing capacity under debt instrument. Revenue Benchmark [Member] September 29, 2025 Note [Member] Represents September 29, 2025 Note. Other Commitments [Table] July 2025 Warrants [Member] Represents July 2025 Warrants. September 29, 2025 Warrant [Member] Represents September 29, 2025 Warrant. smsi_ClassOfWarrantOrRightExercisableCommenceTerm Class of Warrant or Right, Exercisable Commence Term (Month) Warrants exercisable commence date for warrants issued. Accumulated comprehensive deficit September 11, 2025 Warrants [Member] Represents September 11, 2025 Warrants. us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization Finite-lived intangible assets, amortization smsi_ClassOfWarrantOrRightIssuancePrice Class of Warrant or Right, Issuance Price (in dollars per share) Purchase price per share or per unit of warrants or rights at issuance. Unregistered Warrants [Member] Represents the unregistered warrants. General and administrative Loss before provision for income taxes Loss before provision for income tax us-gaap_GainsLossesOnExtinguishmentOfDebt Gain (Loss) on Extinguishment of Debt Additional paid-in capital Prepaid expenses and other current assets us-gaap_AdjustmentForAmortization Amortization us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) ESPP shares issued us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Capital expenditures, net Lessee, Operating Leases [Text Block] us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount us-gaap_AmortizationOfFinancingCostsAndDiscounts Amortization of Debt Issuance Costs and Discounts Current assets: Restricted stock grants, net of cancellations us-gaap_AssetsCurrent Total current assets Measurement Input, Effective Interest Method [Member] Relating to effective interest method. ESPP shares issued (in shares) us-gaap_GrossProfit Gross profit us-gaap_StockIssuedDuringPeriodSharesNewIssues Stock Issued During Period, Shares, New Issues (in shares) Debt Instrument, Name [Domain] Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Fair Value Measurement Inputs and Valuation Techniques [Table] us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage Restricted stock grants, net of cancellations (in shares) us-gaap_Depreciation Depreciation us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross Stock Issued During Period, Shares, Restricted Stock Award, Gross (in shares) Class of Stock [Domain] us-gaap_DebtInstrumentUnamortizedDiscount Debt Instrument, Unamortized Discount us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) us-gaap_DebtInstrumentPeriodicPayment Debt Instrument, Periodic Payment Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Axis] Operating activities: Investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities Financing activities: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share (in dollars per share) Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities us-gaap_GoodwillImpairmentLoss Goodwill, Impairment Loss Accounting Policies [Abstract] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table] Measurement Input Type [Axis] Income Statement [Abstract] us-gaap_NumberOfReportableSegments Number of Reportable Segments Measurement Input, Expected Dividend Rate [Member] Measurement Input, Expected Term [Member] Registered Direct Offering And Private Placement [Member] Represents the registered direct offering and the private placement. us-gaap_FairValueAdjustmentOfWarrants Change in fair value of warrant liabilities Change in fair value of warrant liabilities Net loss Net loss Net loss Measurement Input, Price Volatility [Member] us-gaap_AmortizationOfIntangibleAssets Intangible Asset, Finite-Lived, Amortization Expense Measurement Input, Share Price [Member] Measurement Input Type [Domain] Measurement Input, Risk Free Interest Rate [Member] Convertible Debt Securities [Member] Income Tax Disclosure [Text Block] Warrants and Rights Outstanding, Measurement Input Warrants and Rights Outstanding, Measurement Input Restricted Stock [Member] smsi_SaleOfStockOwnershipLimitationOnSaleOfSharesPercent Sale of Stock, Ownership Limitation on Sale of Shares, Percent The percentage ownership limitation on sale of shares under sale of stock. Accounting Standards Update and Change in Accounting Principle [Table] us-gaap_WarrantDownRoundFeatureDecreaseInNetIncomeLossToCommonShareholderAmount Warrant, Down Round Feature, Decrease in Net Income to Common Shareholder, Amount Debt discount for warrants issued Vested and expected to vest, shares (in shares) Finite-lived intangible assets, remaining life (Year) Intangible Asset, Finite-Lived, Remaining Amortization Period (Year) Vested and expected to vest, weighted average exercise price (in dollars per share) Fair Value Hierarchy and NAV [Domain] Measurement Frequency [Domain] Convertible Notes [Member] Represents the Convertible Notes. Other income (expense): Statement of Financial Position [Abstract] Warrants Issued With Convertible Notes [Member] Represents warrants issued with the Convertible Notes. us-gaap_DeferredTaxAssetsValuationAllowance Deferred Tax Assets, Valuation Allowance Total other (expenses) income, net us-gaap_LiabilitiesNoncurrent Total non-current liabilities Non-current liabilities: Convertible notes payable Fair Value, Recurring [Member] September 11th and 29th 2025 Notes [Member] Related to the September 2025 notes. Other assets Equity-classified Warrants [Member] Related to equity-classified warrants. September 2025 Warrants [Member] Related to the September 2025 warrants. Warrant [Member] us-gaap_WarrantsAndRightsOutstanding Warrants and Rights Outstanding Document Type Operating expenses: Document Information [Line Items] Document Quarterly Report us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage Weighted average remaining lease term (years) (Year) Document Information [Table] Shares excluded (anti-dilutive) (in shares) Antidilutive securities (in shares) Antidilutive Securities [Axis] Potential common shares – options / warrants (treasury stock method) (in shares) Entity Interactive Data Current us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) Document Transition Report us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding Weighted average shares outstanding – diluted (in shares) us-gaap_OperatingExpenses Total operating expenses Net loss per share – basic and diluted Weighted average shares outstanding – basic (in shares) Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Antidilutive Security, Excluded EPS Calculation [Table] Basic (in dollars per share) Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Issuance of convertible notes in settlement and prepayment of notes payable Notes Issued Notes payable, net of discount Effective Income Tax Rate Reconciliation [Table] EMEA [Member] us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs Measurement Measurement Change in fair value smsi_DebtInstrumentDefaultInterestRate Debt Instrument, Default Interest Rate The default interest rate on the debt instrument. Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Amortization of debt discount and financing issuance costs Intangible assets, net Finite-lived intangible assets, net Total Document Fiscal Period Focus Customer [Domain] Finite-lived intangible assets, gross Document Fiscal Year Focus Depreciation and amortization Amendment Flag Technology-Based Intangible Assets [Member] Common Stock [Member] Document Period End Date Granted, shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) Legal Entity [Axis] us-gaap_OperatingLeaseCost Operating Lease, Cost Entity File Number Entity Tax Identification Number Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table] Entity [Domain] Entity Central Index Key Entity Registrant Name Entity Current Reporting Status Entity Incorporation, State or Country Code Current Fiscal Year End Date Research and development Entity Filer Category Entity Shell Company Entity Emerging Growth Company Entity Small Business us-gaap_OperatingIncomeLoss Operating loss Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Other segment expenses us-gaap_InterestExpenseDebt Interest Expense, Debt Warrant liabilities Entity Address, State or Province Entity Address, City or Town us-gaap_InterestExpenseNonoperating Interest expense, net Entity Address, Address Line One City Area Code Local Phone Number Revenue from Contract with Customer [Text Block] Entity Address, Postal Zip Code Title of 12(b) Security Security Exchange Name Trading Symbol us-gaap_DebtInstrumentConvertibleConversionPrice1 Debt Instrument, Convertible, Conversion Price (in dollars per share) Class of Stock [Axis] Entity Common Stock, Shares Outstanding Earnings Per Share [Text Block] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Weighted average shares outstanding: Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Common stock, par vlaue (in dollars per share) Basis of Accounting, Policy [Policy Text Block] smsi_PolicyTable Other expense, net Other financing activities Sale of Stock [Domain] us-gaap_Assets Total assets Cash and cash equivalents Geographical [Domain] Geographical [Axis] Diluted (in dollars per share) Customer [Axis] us-gaap_DepreciationDepletionAndAmortization Depreciation and amortization us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation Cancellation of shares for payment of withholding tax Disposal Group Name [Domain] Unregistered Common Warrants [Member] Represents Unregistered Common Warrants. License and Service [Member] smsi_ProceedsFromIssuanceOrSaleOfEquityGross Proceeds from Issuance or Sale of Equity, Gross The gross amount of cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Placement Agent [Member] Represents Placement Agent. smsi_StockIssuanceCashFeePercentageOfGrossProceedsFromStockIssuance Stock Issuance Cash Fee, Percentage of Gross Proceeds From Stock Issuance Amount of cash fee as percentage of gross proceeds from stock issuance. Intangible Asset, Finite-Lived [Table Text Block] Intangible Asset, Finite-Lived [Table] Unregistered Common Stock [Member] Represents unregistered common stock. Interim Period, Costs Not Allocable [Domain] smsi_StockIssuanceReimbursingExpenseAmount Stock Issuance, Reimbursing Expense Amount Amount of reimbursing expense for stock issuance. Disposal Group Name [Axis] us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration Disposal Group, Including Discontinued Operation, Consideration Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] us-gaap_StockholdersEquity Total stockholders’ equity BALANCE BALANCE Canceled and forfeited, weighted average grant date fair value (in dollars per share) Stock, Class of Stock [Table] Patents [Member] Concentration Risk Benchmark [Axis] Nature of Operation, Product Information, Concentration of Risk [Table] Concentration Risk Benchmark [Domain] Secured Promissory Notes [Member] Represents Secured Promissory Notes. Consolidation, Less-than-Wholly-Owned Subsidiary, Parent Ownership Interest, Effect of Change [Table] Right-of-use assets Other current liabilities ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax Revenues ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Revenues Revenue Unregistered Common Stock Warrants [Member] Represents Unregistered Common Stock Warrants. Commitments and contingencies