Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 3,800,000
Alternate minimum tax operating loss carryforwards	3,800,000
Alternate minimum tax credit carryforwards	60,000
Current provision [Abstract]
Federal	114,000	$ (902,000)	$ (1,759,000)
State	28,000	54,000	(194,000)
Total current	142,000	(848,000)	(1,953,000)
Deferred provision (benefit) [Abstract]
Federal	155,000	4,333,000	(3,820,000)
State	37,000	780,000	(215,000)
Total deferred	192,000	5,113,000	(4,035,000)
Total provision	$ 334,000	$ 4,265,000	$ (5,988,000)
Reconciliation of effective tax rate [Abstract]
Computed expected income tax provision	34.00%	34.00%	35.00%
State income taxes, net of federal income tax benefit	0.80%	2.10%	2.50%
Change in valuation allowance for deferred tax assets	(21.50%)	(61.30%)	0.10%
Cumulative deferred adjustments	(0.30%)	(0.10%)	(0.30%)
Provision to return adjustments	(0.40%)	1.30%	1.10%
Other permanent differences	(1.80%)	(1.10%)	(0.50%)
Dividend and accretion on preferred stock	(19.30%)	(11.30%)	(7.50%)
FIN 48 liability	0.70%	(0.80%)	(0.60%)
R&D credit	3.30%	1.60%	3.00%
Other	(0.40%)	(0.90%)	0.00%
Effective income tax rate	(4.90%)	(36.50%)	32.80%
Deferred tax assets [Abstract]
Accounts receivable, principally due to allowance for doubtful accounts	$ 161,000	$ 176,000
Allowance for inventory obsolescence and amortization	778,000	623,000
Accrued liabilities not currently deductible	2,234,000	2,218,000
Accrued compensation	1,006,000	840,000
Deferred rent	7,682,000	8,008,000
Net operating loss carryforwards - federal	1,301,000	524,000
Net operating loss carryforwards - state	405,000	344,000
Federal tax credit	533,000	202,000
Total gross deferred tax assets	14,100,000	12,935,000
Less valuation allowance	(10,499,000)	(9,027,000)
Total deferred tax assets, net of valuation allowance	3,601,000	3,908,000
Deferred tax liabilities [Abstract]
Amortization and depreciation	(2,696,000)	(3,307,000)
Unbilled accounts receivable, deferred for tax purposes	(787,000)	(589,000)
Goodwill basis adjustment and amortization	(3,451,000)	(3,199,000)
Telos ID basis difference	(58,000)	(12,000)
Total deferred tax liabilities	(6,992,000)	(7,107,000)
Net deferred tax liabilities	(3,391,000)	(3,199,000)
Unrecognized tax benefits [Roll Forward]
Unrecognized tax benefits, beginning of period	803,000	708,000	$ 607,000
Gross increases-tax positions in prior period		92,000	105,000
Gross increases-tax positions in prior period	(66,000)
Gross increases-tax positions in current period	46,000	38,000	47,000
Settlements	(21,000)	(35,000)	(51,000)
Unrecognized tax benefits, end of period	762,000	803,000	708,000	$ 607,000
Interest and penalties	233,000	210,000
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Period	9,027,000	1,868,000	1,901,000
Additions	1,472,000	7,159,000		0
Deductions	0	0	(33,000)
Balance End of Period	$ 10,499,000	$ 9,027,000	$ 1,868,000	$ 1,901,000