Cover [Abstract] Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Common Class A [Member] Class A Common Stock Common Class B [Member] Class B Common Stock Document Information [Line Items] Entity Central Index Key Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Amendment Flag Statement of Financial Position [Abstract] Statement [Table] Statement [Line Items] Assets [Abstract] Assets, Current [Abstract] Current assets: Cash and Cash Equivalent Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net of allowance for credit losses of $222 and $212 as of March 31, 2026 and December 31, 2025, respectively Inventory, Net Inventory, net Inventory Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Represents the carrying value of autonomous security robots, net as of balance sheet date, classified as non-current. Autonomous Security Robots, Net Autonomous Security Robots, net ASRs, net Property, Plant and Equipment, Net Property, equipment and software, net Operating Lease, Right-of-Use Asset Operating lease right-of-use-assets Operating lease ROU assets Goodwill Goodwill Finite-Lived Intangible Assets, Net Intangible assets, net Carrying amount, net Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities and Other Liabilities, Current Accrued Liabilities and Other Liabilities, Current Accrued expenses and other current liabilities Total Contract with Customer, Liability, Current Deferred revenue Operating Lease, Liability, Current Operating lease liabilities, current Operating lease liabilities, current portion Short-Term Debt Less: current portion of debt obligations Debt obligations, current Insurance Notes Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Non-current liabilities: Long-Term Debt, Excluding Current Maturities Debt obligations, net of debt issuance costs of $218 and $238 as of March 31, 2026 and December 31, 2025, respectively Non-current portion of debt obligations Operating Lease, Liability, Noncurrent Operating lease liabilities, noncurrent Operating lease liabilities, non-current portion Business Combination, Contingent Consideration, Liability, and Other Liabilities, Noncurrent Business Combination, Contingent Consideration, Liability, and Other Liabilities, Noncurrent Contingent consideration and other noncurrent liabilities Liabilities Total liabilities Equity, Attributable to Parent [Abstract] Stockholders' equity: Common Stock, Value, Issued Common stock Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Equity, Attributable to Parent Stockholders' equity (deficit) Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Accounts Receivable, after Allowance for Credit Loss, Current [Abstract] Accounts receivable, net of allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Allowance for credit losses Debt Issuance Costs, Noncurrent, Net [Abstract] Debt obligations, net of debt issuance costs Debt Issuance Costs, Noncurrent, Net Debt issuance costs Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Preferred stock Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized (in shares) Preferred Stock, Shares Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Outstanding Preferred stock, shares outstanding (in shares) Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Common stock Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock, Shares, Issued Ending balance (in shares) Beginning balance (in shares) Common stock, shares issued (in shares) Common Stock, Shares, Outstanding Common stock, shares outstanding (in shares) Income Statement [Abstract] Product and Service [Axis] Product and Service [Domain] Service [Member] Service Product [Member] Product Gross Profit [Abstract] Revenues [Abstract] Revenue, net Revenue from Contract with Customer, Excluding Assessed Tax Total revenue, net Total revenue, net Cost of Revenue [Abstract] Cost of revenue Cost of Product and Service Sold Total cost of revenue Gross Profit Total gross margin (loss) Gross margin (loss) Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling, General and Administrative Expense Sales, general and administrative Operating Expenses Operating expenses Total operating expenses Operating Income (Loss) Loss from operations Loss from operations Nonoperating Income (Expense) [Abstract] Other income (expense): Interest Income (Expense), Nonoperating Interest expense, net Other Nonoperating Income (Expense) Other income (expense), net Nonoperating Income (Expense) Total other income (expense) Total other income (expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net loss before income tax expense Net Loss before income tax expense Net loss Earnings Per Share, Basic Basic net loss per common share (in dollars per share) Earnings Per Share, Diluted Diluted net loss per common share (in dollars per share) Weighted Average Number of Shares Outstanding, Basic Weighted average shares used to compute basic net loss per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average shares used to compute diluted net loss per share (in shares) Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Component [Domain] Parent [Member] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Accumulative Deficit Sale of Stock [Axis] Sale of Stock [Domain] At-the-market (ATM) Offering [Member] ATM Offering [Member] ATM Offering Shelf Registration, Registered Direct Offering, March 2025 [Member] Shelf Registration, Registered Direct Offering, March 2025 [Member] Shelf Registration, Registered Direct Offering, March 2025 Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (decrease) in stockholders' equity (deficit) Equity, Including Portion Attributable to Noncontrolling Interest Ending balance Beginning balance APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock based compensation Stock Issued During Period, Value, Stock Options Exercised Stock options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Exercised (in shares) Stock options exercised (in shares) Stock Issued During Period, Value, New Issues Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs Stock Issued During Period, Shares, New Issues Shares issued (in shares) Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs (in shares) Stock Issued During Period, Value, Acquisitions Knightscope Security Force acquisition Stock Issued During Period, Shares, Acquisitions Knightscope Security Force acquisition (in shares) Warrants Issued During Period, Value, Issued for Consulting Services Warrants Issued During Period, Value, Issued for Consulting Services Issuance of vendor warrants for consulting services Stock Issued During Period, Value, Warrants Exercised Stock Issued During Period, Value, Warrants Exercised Prefunded warrants exercised Stock Issued During Period, Shares, Warrants Exercised Stock Issued During Period, Shares, Warrants Exercised Prefunded warrants exercised (in shares) Adjustments to Additional Paid-in Capital, Share Conversion Costs Adjustments to Additional Paid-in Capital, Share Conversion Costs Share conversion to Class A Common Stock Adjustments to Additional Paid-in Capital, Share Conversion Costs, Shares Adjustments to Additional Paid-in Capital, Share Conversion Costs, Shares Share conversion to Class A Common Stock (in shares) Statement of Cash Flows [Abstract] Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash Flows From Operating Activities Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Gain (Loss) from Damage of Autonomous Security Robots Gain (Loss) from Damage of Autonomous Security Robots Loss on disposal of Autonomous Security Robots Gain (Loss) on Disposition of Property Plant Equipment Loss on disposal of property and equipment Share-Based Payment Arrangement, Noncash Expense Stock compensation expense Adjustment of Warrants Granted for Services Warrants issued in exchange for consulting services Accounts Receivable, Credit Loss Expense (Reversal) Change in allowance for credit losses Financing Receivable, Accrued Interest, Writeoff Accrued interest Amortization of Debt Discount (Premium) Amortization of debt discount Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Liabilities, Current Increase (Decrease) in Accrued Liabilities and Other Liabilities, Current Accrued expenses and other current liabilities Increase (Decrease) in Contract with Customer, Liability Deferred revenue Increase (Decrease) in Operating Lease Liability and Other Noncurrent Liabilities Increase (Decrease) in Operating Lease Liability and Other Noncurrent Liabilities Lease liabilities and other noncurrent liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Net cash used in operating activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash Flows From Investing Activities The cash outflow related to purchases and related costs incurred for Autonomous Security Robots. Purchases and Related Costs Incurred for Autonomous Security Robots Purchases and related costs incurred for Autonomous Security Robots Payments to Acquire Businesses, Net of Cash Acquired Knightscope Security Force acquisition, net of cash acquired Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash Flows From Financing Activities The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Proceeds from Sale of Equity, Net of Issuance Costs Proceeds from equity sale, net of issuance costs Proceeds from Issuance of Common Stock and Warrants Sold for Cash, Net of Issuance Costs Proceeds from Issuance of Common Stock and Warrants Sold for Cash, Net of Issuance Costs Proceeds for the issuance of common stock and pre-funded warrants sold for cash, net of issuance costs Repayments of Short-Term Debt Repayments of debt obligations Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by financing activities Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash, cash equivalents and restricted cash at end of the period Cash, cash equivalents and restricted cash at beginning of the period Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental Disclosure of Cash Flow Information Capital Expenditures Incurred but Not yet Paid Capital expenditures in accounts payable Business Combination, Consideration Transferred, Liabilities Incurred Contingent consideration Contingent consideration for Knightscope Security Force acquisition Noncash Investing and Financing Items, Insurance Premium Financing Noncash Investing and Financing Items, Insurance Premium Financing Financing of insurance premiums Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] The Company and Summary of Significant Accounting Policies Business Combination [Abstract] Business Combination [Text Block] Business Combination Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Text Block] Revenue and Deferred Revenue Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurement Debt Disclosure [Abstract] Debt Disclosure [Text Block] Debt Obligations Stockholders' Equity Note [Abstract] Equity [Text Block] Capital Stock and Warrants Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Information Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Basis of Accounting, Policy [Policy Text Block] Description of Business and Basis of Presentation and Liquidity Segment Reporting, Policy [Policy Text Block] Segments