General and Basis of Presentation (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($) shares	Sep. 30, 2016 USD ($) Segment Business shares	Dec. 31, 2015 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | Segment		1
Number of business lines | Business		3
Accounts Receivable [Abstract]
Percentage of initial payment by factor of U.S. Federal government receivables		90.00%
Percentage of initial payment by factor of commercial prime contractors		85.00%
Maximum limit of sold receivables		$ 10,000
Sold receivables during the period	$ 25,800	25,800
Loss recognized in selling, general and administrative expenses	100	100
Balance of sold receivables		4,700
Deferred price related to sold receivables		700
Inventories [Abstract]
Gross inventory	9,300	9,300	$ 4,400
Inventory valuation reserves	1,474	$ 1,474	1,457
Goodwill and Other Intangible Assets [Abstract]
Estimated useful life of intangible asset		5 years
Goodwill amortization period for income tax purposes		15 years
Accumulated Other Comprehensive Income [Abstract]
Cumulative foreign currency translation loss	(72)	$ (72)	(70)
Cumulative actuarial gain on pension liability adjustment	107	107	107
Accumulated other comprehensive income	$ 35	$ 35	$ 37
Restricted Stock Grants [Member]
Restricted Stock Grants [Abstract]
Restricted stock outstanding (in shares) | shares	19,047,259	19,047,259
Restricted stock vested on date of grant		25.00%
Restricted stock vest on anniversary of the date of grant		25.00%