Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current provision [Abstract]
Federal	$ 1,219	$ 4,362	$ 3,426
State	264	829	621
Total current	1,483	5,191	4,047
Deferred provision (benefit) [Abstract]
Federal	133	1,881	(718)
State	62	158	(91)
Total deferred	195	2,039	(809)
Total provision	1,678	7,230	3,238
Reconciliation of effective tax rate [Abstract]
Computed expected income tax provision (in hundredths)	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit (in hundredths)	(17.30%)	3.60%	3.50%
Change in valuation allowance for deferred tax assets (in hundredths)	(0.30%)	(1.30%)	(1.40%)
Cumulative deferred adjustments	(16.90%)	0.00%	0.00%
Provision to return adjustments (in hundredths)	(11.50%)	0.00%	0.00%
Other permanent differences (in hundredths)	(15.40%)	(0.10%)	1.00%
Dividend and accretion on preferred stock (in hundredths)	(146.00%)	10.70%	34.10%
FIN 48 liability (in hundredths)	(5.90%)	0.60%	(1.60%)
R&D credit (in hundredths)	0.00%	0.00%	(1.80%)
Other (in hundredths)	0.00%	0.80%	0.20%
Effective income tax rate (in hundredths)	(178.30%)	49.30%	69.00%
Deferred tax assets [Abstract]
Accounts receivable, principally due to allowance for doubtful accounts	124	123
Allowance for inventory obsolescence and amortization	356	628
Accrued liabilities not currently deductible	2,071	2,071
Accrued compensation	527	686
Amortization and depreciation	2,442	2,149
Telos ID basis difference	150	81
Net operating loss carryforwards - state	213	446
Total gross deferred tax assets	5,883	6,184
Less valuation allowance	(1,901)	(2,084)
Total deferred tax assets, net of valuation allowance	3,982	4,100
Deferred tax liabilities [Abstract]
Unbilled accounts receivable, deferred for tax purposes	(1,413)	(1,373)
Section 481(a) adjustment - inventory	0	(221)
Goodwill basis adjustment and amortization	(2,763)	(2,505)
Total deferred tax liabilities	(4,176)	(4,099)
Net deferred tax assets	(194)	1
Unrecognized tax benefits [Roll Forward]
Unrecognized tax benefits, beginning of period	534	400	501
Gross increases-tax positions in prior period	55	34	20
Gross increases-tax positions in current period	18	100	90
Settlements	0	0	(211)
Unrecognized tax benefits, end of period	607	534	400
Valuation Allowance of Deferred Tax Assets [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance Beginning of Period	2,084	2,281	2,348
Additions	0	0	0
Deductions	183	197	67
Balance End of Period	$ 1,901	$ 2,084	$ 2,281