Summary of Significant Accounting Policies (Details)	1 Months Ended	3 Months Ended								12 Months Ended
	May 31, 2017 shares	Dec. 31, 2018 USD ($) shares	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) Segment shares	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | Segment										1
Revenue from Contract with Customer [Abstract]
Revenue recognized included in opening contract liabilities										$ 9,400,000
Disaggregation of Revenue [Abstract]
Revenue		$ 35,977,000	$ 34,695,000	$ 34,943,000	$ 32,401,000	$ 35,278,000	$ 28,243,000	$ 21,096,000	$ 23,110,000	138,016,000	$ 107,727,000	$ 134,868,000
Components of Contract Receivables [Abstract]
Billed accounts receivable		18,848,000				11,736,000				18,848,000	11,736,000
Unbilled receivables		16,000,000				13,195,000				16,000,000	13,195,000
Allowance for doubtful accounts		(306,000)				(411,000)				(306,000)	(411,000)	(429,000)	$ (485,000)
Receivables - net		34,542,000				24,520,000				34,542,000	24,520,000
Components of Contract Liabilities [Abstract]
Contract liabilities		5,232,000				10,073,000				5,232,000	10,073,000
Revenue, Performance Obligation [Abstract]
Remaining performance obligation		79,300,000								79,300,000
Inventories [Abstract]
Gross inventory		4,900,000				15,000,000				4,900,000	15,000,000
Allowance for Obsolescent Inventory [Roll Forward]
Balance Beginning of Year					$ 1,484,000				$ 1,672,000	1,484,000	1,672,000	1,457,000
Additions Charge to Costs and Expense										30,000	73,000	215,000
Deductions										(994,000)	(261,000)	0
Balance End of Year		$ 520,000				1,484,000				$ 520,000	1,484,000	1,672,000
Property and Equipment [Abstract]
Software development estimated useful life										2 years
Depreciation and amortization, including capital leases										$ 3,000,000	$ 2,000,000	1,800,000
Goodwill [Abstract]
Goodwill amortization period for income tax purposes										15 years
Restricted Stock Grants [Abstract]
Restricted stock issued during the period (in shares) | shares	5,005,000									0	5,005,000
Restricted stock remained subject to vesting (in shares) | shares		2,427,500								2,427,500
Research and Development [Abstract]
Software development estimated useful life										2 years
Capitalized software development costs		$ 3,100,000				1,500,000				$ 3,100,000	$ 1,500,000
Amortization expense										1,100,000	200,000
Accumulated amortization		$ 1,300,000				200,000				1,300,000	200,000
Salary costs associated with research and development										3,500,000	3,200,000	2,600,000
Comprehensive Income [Abstract]
Foreign currency translation										90,000	75,000
Gain on pension liability adjustment										107,000
ASC 606 [Member]
Revenue from Contract with Customer [Abstract]
Revenue accruals for multiple contracts as a result of cumulative indirect rate adjustments										$ 6,000,000
Components of Contract Receivables [Abstract]
Billed accounts receivable						11,736,000					11,736,000
Unbilled receivables						13,195,000					13,195,000
Allowance for doubtful accounts						(411,000)					(411,000)
Receivables - net						24,520,000					24,520,000
Components of Contract Liabilities [Abstract]
Contract liabilities						$ 10,073,000					10,073,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-01-01
Revenue, Performance Obligation [Abstract]
Remaining performance obligation percentage		97.20%								97.20%
Remaining performance obligation, expected timing of satisfaction, period		1 year								1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Revenue, Performance Obligation [Abstract]
Remaining performance obligation percentage		2.60%								2.60%
Remaining performance obligation, expected timing of satisfaction, period		2 years								2 years
Furniture and Equipment [Member] | Minimum [Member]
Property and Equipment [Abstract]
Software development estimated useful life										3 years
Research and Development [Abstract]
Software development estimated useful life										3 years
Furniture and Equipment [Member] | Maximum [Member]
Property and Equipment [Abstract]
Software development estimated useful life										5 years
Research and Development [Abstract]
Software development estimated useful life										5 years
Firm Fixed-Price [Member]
Disaggregation of Revenue [Abstract]
Revenue										$ 103,454,000	89,516,000	102,514,000
Time-and-Materials [Member]
Disaggregation of Revenue [Abstract]
Revenue										16,795,000	10,222,000	10,181,000
Cost Plus Fixed Fee [Member]
Disaggregation of Revenue [Abstract]
Revenue										$ 17,767,000	$ 7,989,000	$ 22,173,000
Telos ID [Member]
Business and Organization [Abstract]
Percentage of ownership		50.00%								50.00%
Teloworks [Member]
Business and Organization [Abstract]
Percentage of ownership		100.00%								100.00%
Restricted Stock Grants [Member]
Restricted Stock Grants [Abstract]
Restricted stock issued during the period (in shares) | shares	5,005,000
Restricted stock vested on date of grant										25.00%
Restricted stock vest on anniversary of the date of grant										25.00%