Business Acquisition [Axis] Business Acquisition [Axis] Revision of Prior Period [Axis] Revision of Prior Period [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Provision for doubtful accounts Accounts Receivable, Credit Loss Expense (Reversal) Entity Address, Postal Zip Code Entity Address, Postal Zip Code Finance lease right-of-use assets, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Property and equipment, at cost Property, Plant and Equipment, Gross Aggregate intrinsic value, outstanding, exercisable, and vested or expected to vest Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Intrinsic Value, Outstanding, Exercisable, And Vested Or Expected To Vest Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Intrinsic Value, Outstanding, Exercisable, And Vested Or Expected To Vest Software development costs Software and Software Development Costs [Member] REVISION OF PRIOR YEAR INTERIM FINANCIAL STATEMENTS Error Correction [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Depreciation Depreciation RSUs vested, net of shares withheld to cover tax withholding (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Additional paid-in capital Additional Paid in Capital, Common Stock 2016 Omnibus Long-Term Incentive Plan 2016 Omnibus Long-Term Incentive Plan [Member] Refers to the 2016 Omnibus Long-Term Incentive Plan. Income taxes Income Taxes Paid Amount paid for shares repurchased Treasury Stock, Value, Acquired, Cost Method Non-controlling interest in APIC Noncontrolling Interest, Increase from Business Combination Net loss Net loss Net loss attributable to Telos Corporation Net Income (Loss) Attributable to Parent Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities excluded from computation of earnings per share, amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Subsequent Event Type [Axis] Subsequent Event Type [Axis] Revenue from Contract with Customer, Product and Service Benchmark Revenue from Contract with Customer, Product and Service Benchmark [Member] Equity Component [Domain] Equity Component [Domain] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Ownership [Axis] Ownership [Axis] Award vesting rights, percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Revenue Timing Of Transfer Of Goods Or Service Revenue Timing Of Transfer Of Goods Or Service [Member] Revenue Timing Of Transfer Of Goods Or Service Related Party [Domain] Related Party [Domain] Plan Name [Axis] Plan Name [Axis] Share price (in dollars per share) Business Acquisition, Share Price Software Development Cost (Cloud-computing implementation costs) Research, Development, and Computer Software, Policy [Policy Text Block] Cash paid during the period for: Supplemental Cash Flow Information [Abstract] Number of operating segments Number of Operating Segments Noncontrolling Interest [Abstract] Plan Name [Domain] Plan Name [Domain] Business combination, consideration transferred, liabilities incurred, cash holdback period Business Combination, Consideration Transferred, Liabilities Incurred, Cash Holdback Period Business Combination, Consideration Transferred, Liabilities Incurred, Cash Holdback Period Goodwill [Line Items] Goodwill [Line Items] Condensed Consolidated Statement of Cash Flows Statement of Cash Flows [Abstract] Entity Address, State or Province Entity Address, State or Province Other comprehensive loss, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Award Type [Axis] Award Type [Axis] Net cash provided by operating activities Cash used in operating activities Net Cash Provided by (Used in) Operating Activities Operating lease obligations, current portion Operating Lease, Liability, Current Products And Services Products And Services [Member] Products And Services Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Receivables [Abstract] Share-based Payment Arrangement, Tranche Four Share-based Payment Arrangement, Tranche Four [Member] Share-based Payment Arrangement, Tranche Four Total liabilities Liabilities Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Issuance of common stock Stock Issued During Period, Value, New Issues Accounting Changes and Error Corrections [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Document Type Document Type Transferred at Point in Time Transferred at Point in Time [Member] Total Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Segments [Axis] Segments [Axis] Product and Service [Domain] Product and Service [Domain] Entity Shell Company Entity Shell Company Deferred income tax provision Deferred Income Tax Expense (Benefit) Number of shares issued in acquisition (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Federal Federal Government [Member] Federal Government Acquired technology Developed Technology Rights [Member] Subsequent Event Subsequent Event [Member] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Document Period End Date Document Period End Date Share-based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Issuance of common stock on APIC Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Total assets Assets Net loss per share: Net loss per share attributable to Telos Corporation Earnings Per Share [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Share-based Payment Arrangement, Tranche Three Share-Based Payment Arrangement, Tranche Three [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Performance-Based RSU Performance Shares [Member] Accrued liabilities Accrued Liabilities, Current Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Net cash (used in)/provided by financing activities Cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Loss before income taxes Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Segments [Domain] Segments [Domain] Schedule of Goodwill [Table] Schedule of Goodwill [Table] LOSS PER SHARE Earnings Per Share [Text Block] PURCHASE OF TELOS ID NON-CONTROLLING INTERESTS Noncontrolling Interest Disclosure [Text Block] Customer [Axis] Customer [Axis] Finance lease obligations, non-current portion Finance Lease, Liability, Noncurrent Related Party Transaction [Line Items] Related Party Transaction [Line Items] Award Type [Domain] Award Type [Domain] Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Cash payment for acquisition Payments to Acquire Businesses, Gross Gross profit Total gross profit Gross Profit Entity Registrant Name Entity Registrant Name Issuance of common stock (in shares) Stock Issued During Period, Shares, New Issues Cumulative foreign currency translation loss Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Customer relationships Customer Relationships [Member] Entity Address, City or Town Entity Address, City or Town Single Individual Stock Compensation Single Individual Stock Compensation [Member] Single Individual Stock Compensation RSUs vested, net of shares withheld to cover tax withholding Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Schedule of Error Corrections and Prior Period Adjustments Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Basis of Presentation Consolidation, Policy [Policy Text Block] Additional percentage of ownership interest Additional Percentage of Ownership Acquired Refers to additional percentage of ownership acquired in a business combination. SHARE REPURCHASES Treasury Stock [Text Block] Minimum Minimum [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par or stated value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Trading Symbol Trading Symbol Entity File Number Entity File Number INTANGIBLE ASSETS, NET Intangible Assets Disclosure [Text Block] Average per share price paid (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Accounts payable - trade Accounts Payable, Trade, Current Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Research and development Research and Development Expense Granted (in shares) Grants in period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Accretion of discount on acquisition holdback Accretion Expense Use of Estimates Use of Estimates, Policy [Policy Text Block] ACQUISITION Business Combination Disclosure [Text Block] Error Correction Revision of Prior Period, Error Correction, Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Concentration risk, percentage Concentration Risk, Percentage Acquisition holdback Business Combination, Consideration Transferred, Liabilities Incurred Accounts payable and other accrued payables Increase (Decrease) in Accounts Payable and Accrued Liabilities Number of shares held by related party (in shares) Number Of Shares Held By Related Party Total number of share held by related party. Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Common stock repurchase under SRP Noncash Common Stock Repurchase Under Stock Repurchase Plan Noncash Common Stock Repurchase Under Stock Repurchase Plan Accrued compensation and benefits Deferred Compensation Liability, Current Amortization of intangible assets Amortization of Intangible Assets Interest Interest Paid, Excluding Capitalized Interest, Operating Activities Class of warrant or right, exercise price of warrants or rights (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Basic (in dollars per share) Earnings Per Share, Basic Cumulative actuarial gain on pension liability adjustment Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Distributions to Telos ID Class B member – non-controlling interest Distributions to Telos ID Class B member - non-controlling interest Payments to Noncontrolling Interests Schedule of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Sales and marketing Selling and Marketing Expense Total stockholders’ equity Beginning balance Ending balance Total Stockholders' equity Stockholders' Equity Attributable to Parent Prepaid expenses Prepaid Expense, Current Director Director [Member] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vesting [Domain] Vesting [Domain] Ownership [Domain] Ownership [Domain] Entity Interactive Data Current Entity Interactive Data Current Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Changes in other operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Accumulated Deficit Retained Earnings [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Common Stock Common Stock [Member] Schedule of Stock Compensation Expense by Department Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Number of reportable segments Number of Reportable Segments Repurchase of common stock Payments for Repurchase of Common Stock Business combination, contingent consideration, liability Business Combination, Contingent Consideration, Liability Secure Networks Segment Secure Networks Segment [Member] Secure Networks Segment Schedule of Nonvested Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Statement [Table] Statement [Table] Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Document Quarterly Report Document Quarterly Report Operating lease liabilities, non-current portion Operating Lease, Liability, Noncurrent Schedule of Share Repurchases Activity Class of Treasury Stock [Table Text Block] Statistical Measurement [Axis] Statistical Measurement [Axis] Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired Leasehold improvement Leasehold Improvements [Member] Accumulated deficit Retained Earnings (Accumulated Deficit) Accounts receivable, net Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Equity Components [Axis] Equity Components [Axis] Overhead Cost Pools Stock Compensation Overhead Cost Pools Stock Compensation [Member] Overhead Cost Pools Stock Compensation RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Segment Reporting Segment Reporting, Policy [Policy Text Block] Emmett J. Wood Emmett Wood [Member] A person serving as an employee since 1996 and relative (brother) of Chairman and CEO. Revision of Prior Period [Domain] Revision of Prior Period [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Statement [Line Items] Statement [Line Items] Payments under finance lease obligations Finance Lease, Principal Payments Accounts payable and other accrued liabilities Accounts payable and other accrued liabilities Accounts Payable and Other Accrued Liabilities, Current Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Gross Finite-Lived Intangible Assets, Gross Total selling, general and administrative expenses Selling, general and administrative expenses Selling, General and Administrative Expense Cost plus fixed fee Cost Plus Fixed Fee [Member] Contract with customer in which amount of consideration is based on cost plus fixed fee. GOODWILL Goodwill Disclosure [Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Revenue – products Product [Member] Product [Member] Error Correction, Type [Axis] Error Correction, Type [Axis] Repurchase of common stock Stock Repurchased During Period, Value Accumulated Other Comprehensive Income/(Loss) Accumulated other comprehensive loss AOCI Attributable to Parent [Member] ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive Income (Loss) Note [Text Block] Document Transition Report Document Transition Report Local Phone Number Local Phone Number Operating loss Operating loss Operating Income (Loss) Inventories Increase (Decrease) in Inventories Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Prepaid expenses, other current assets, and other assets Increase (Decrease) in Prepaid Expense and Other Assets Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Weighted average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Gross inventory Inventory, Gross Goodwill Goodwill Revenue – services Service [Member] Service [Member] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Repurchase of common stock (in shares) Stock Repurchased During Period, Shares Adjustments to reconcile net loss to cash flows provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] (Provision for)/benefit from income taxes Income Tax Expense (Benefit) Deferred income taxes Deferred Income Tax Liabilities, Net Condensed Consolidated Statement of Operations Income Statement [Abstract] Additional Paid-in Capital Additional Paid-in Capital [Member] Document Fiscal Period Focus Document Fiscal Period Focus Restricted cash Restricted Cash, Noncurrent Total cost of sales Costs and expenses Cost of Goods and Services Sold Asset Purchase Agreement Asset Purchase Agreement [Member] Asset Purchase Agreement Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Schedule of Inventories, Net Schedule of Inventory, Current [Table Text Block] Billed accounts receivable Billed Contracts Receivable Accounts Receivable Accounts Receivable [Member] Common stock, $0.001 par value, 250,000,000 shares authorized, 67,300,099 shares and 66,767,450 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively Common Stock, Value, Issued Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Schedule of Potentially Dilutive Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Foreign currency translation loss Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Unvested antidilutive stock units excluded from the dilutive effect (stock units) (in shares) Incremental Common Shares Excluded From The Dilutive Effect Incremental Common Shares Excluded From The Dilutive Effect Number of companies overhead cost pools incorrectly charged Number Of Companies Overhead Cost Pools Incorrectly Charged Number Of Companies Overhead Cost Pools Incorrectly Charged COMMITMENT AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Liabilities: Liabilities, Current [Abstract] Common stock, shares issued (in shares) Common Stock, Shares, Issued Contract liabilities Contract liabilities Contract with Customer, Liability, Current Capital expenditure activity in accounts payable and other accrued liabilities Capital Expenditures Incurred but Not yet Paid Income Statement Location [Domain] Income Statement Location [Domain] Transferred over Time Transferred over Time [Member] Finance lease obligations, current portion Finance Lease, Liability, Current Amendment Flag Amendment Flag Finite-lived intangible asset, useful life Finite-Lived Intangible Asset, Useful Life Net cash used in investing activities Cash used in investing activities Net Cash Provided by (Used in) Investing Activities ACCOUNTS RECEIVABLE, NET Accounts and Nontrade Receivable [Text Block] Consideration transferred related to a pre-existing contractual arrangement Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Costs Comprehensive loss Comprehensive loss attributable to Telos Corporation Comprehensive Income (Loss), Net of Tax, Attributable to Parent Goodwill, acquired during period Goodwill, Acquired During Period Schedule of Operations by Business Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other current liabilities Other Liabilities, Current Other assets Other Assets, Noncurrent Service-Based RSU Service Based RSU Awards [Member] Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time are met including service based. Accrued compensation and benefits Increase (Decrease) in Employee Related Liabilities Depreciation and amortization Depreciation, Depletion and Amortization Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] ACCOUNTS PAYABLE AND OTHER ACCRUED LIABILITIES Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Business combination, recognized identifiable assets acquired and liabilities assumed, finite-lived intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net SUPPLEMENTAL CASH FLOW INFORMATION Cash Flow, Supplemental Disclosures [Text Block] Sales and marketing Selling and Marketing Expense [Member] State & local, and commercial State & Local, and Commercial [Member] Legal entity that is the governing authority of a state or local community as well as a legal entity in the form of a corporation created to conduct business. Allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Firm fixed-price Fixed-Price Contract [Member] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Other income/(expense) Other Nonoperating Income (Expense) ORGANIZATION Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Furniture and equipment Furniture And Equipment [Member] Furniture And Equipment Condensed Consolidated Statement of Comprehensive Loss Statement of Comprehensive Income [Abstract] Maximum Maximum [Member] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Unvested restricted stock and restricted stock units Share-Based Payment Arrangement [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Contract liabilities Increase (Decrease) in Contract with Customer, Liability Total current assets Assets, Current Contract with customer, liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Business Acquisition [Line Items] Business Acquisition [Line Items] Entity Small Business Entity Small Business Telos ID Telos ID [Member] Another company which is controlled, directly or indirectly, by its parent. The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock. The power to control may also exist with a lesser percentage of ownership, for example, by contract, lease, agreement with other stockholders or by court decree. Impact of ownership interest on APIC Impact of Stock Issuance to Additional Paid in Capital from Business Combination Amount of increase in additional paid-in capital from a business combination. Net Finite-Lived Intangible Assets, Net Distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Revenue, remaining performance obligation, expected time of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Unrecognized stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Schedules of Concentration of Risk, by Risk Factor Schedules of Concentration of Risk, by Risk Factor [Table Text Block] PROPERTY AND EQUIPMENT, NET Property, Plant and Equipment Disclosure [Text Block] Schedule of Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Share-based payment arrangement, expense, tax benefit Share-Based Payment Arrangement, Expense, Tax Benefit Repurchase of outstanding warrants Warrants Repurchased During Period, Value Warrants Repurchased During Period, Value Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Accounts receivable Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Error Correction, Type [Domain] Error Correction, Type [Domain] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Payables and Accruals [Abstract] Business Combination and Asset Acquisition [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Repurchase of outstanding warrants Payments for Repurchase of Warrants Previously Reported Previously Reported [Member] Revenue Related To Stub Period Of A Contract Revenue Related To Stub Period Of A Contract [Member] Revenue Related To Stub Period Of A Contract Noncontrolling Interest [Table] Noncontrolling Interest [Table] Liabilities and Stockholders' Equity: Liabilities and Equity [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Inventories, net Inventories, net Inventory, Net Common stock warrants Warrant [Member] Entity Filer Category Entity Filer Category Proceeds from issuance of common stock, net of issuance costs Proceeds from Issuance of Common Stock Stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Share-based payment arrangement, expense Total stock-based compensation expense Share-Based Payment Arrangement, Expense Commitments and contingencies (Note 19) Commitments and Contingencies Security Exchange Name Security Exchange Name Restricted Stock Restricted Stock [Member] Civilian federal agencies Civilian [Member] Civilian Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] General and administrative General and Administrative Expense [Member] Total revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Value of stock issued Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Cover [Abstract] Cover [Abstract] Goodwill impairment Goodwill, Impairment Loss STOCK-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Expense Related To A Contract Expense Related To A Contract [Member] Expense Related To A Contract Payment of tax withholding related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Total liabilities and stockholders’ equity Liabilities and Equity Related Party [Axis] Related Party [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Stock repurchase program, remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Cash paid for acquisition Payments to Acquire Businesses, Net of Cash Acquired Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Vesting [Axis] Vesting [Axis] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Diluted (in dollars per share) Earnings Per Share, Diluted Share-based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Loss on disposal of fixed assets Gain (Loss) on Disposition of Property Plant Equipment Ownership interest (as a percent) Noncontrolling Interest, Ownership Percentage by Parent Stock-based compensation expense, excluding accrued compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Concentration Risk Type [Axis] Concentration Risk Type [Axis] Total current liabilities Liabilities, Current Other current assets Other Assets, Current Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Customer Concentration Risk Customer Concentration Risk [Member] Expense Related To A Software Project Expense Related To A Software Project [Member] Expense Related To A Software Project Capitalized software development costs Capitalized software development costs Payments to Develop Software Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Entity Address, Address Line One Entity Address, Address Line One Product and Service [Axis] Product and Service [Axis] Contract assets (unbilled receivables) Unbilled receivables Unbilled Contracts Receivable Interest expense Interest Expense Time-and-materials Time-and-Materials Contract [Member] Related party transaction, amounts of transaction Related Party Transaction, Amounts of Transaction Allowance for inventory obsolescence Inventory Valuation Reserves INVENTORIES, NET Inventory Disclosure [Text Block] Equity [Abstract] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Entity Tax Identification Number Entity Tax Identification Number Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Revenue from Contract with Customer [Abstract] Security Solutions Segment Security Solutions Segment [Member] Security Solutions Segment Quarterly Financial Information Disclosure [Abstract] Net change in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect U.S. Department of Defense ("DoD") U.S. Department of Defense [Member] U.S. Department of Defense Entity Central Index Key Entity Central Index Key Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Total consideration transferred Business Combination, Consideration Transferred Others Other Accrued Liabilities, Current Selling, general and administrative expenses: Selling, General and Administrative Expense [Abstract] Capitalized software development costs Capitalized Computer Software, Net City Area Code City Area Code Assets: Assets [Abstract] General and administrative General and Administrative Expense Changes in other operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Revision of Prior Period, Adjustment Revision of Prior Period, Adjustment [Member] Condensed Consolidated Statement of Changes in Stockholders' Equity Statement of Stockholders' Equity [Abstract] Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Other liabilities Other Liabilities, Noncurrent Other current liabilities and other liabilities Increase (Decrease) in Other Operating Liabilities Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Research and development Research and Development Expense [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Operating lease ROU assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Cost of sales – services Cost of Sales [Member] Recovery from inventory obsolescence Recovery Of Inventory Reserves Recovery Of Inventory Reserves Customer [Domain] Customer [Domain]