CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net revenues:
Product	$ 24,408	$ 21,483	$ 70,081	$ 61,681
Service	11,611	11,007	34,687	33,539
Contract	22,041	20,132	67,438	63,360
Revenue, net	58,060	52,622	172,206	158,580
Costs of sales:
Product	17,420	14,070	50,135	42,562
Service	8,300	8,608	24,926	25,860
Contract	20,395	18,791	63,058	59,358
Cost of goods and services sold	46,115	41,469	138,119	127,780
Gross margin	11,945	11,153	34,087	30,800
Operating expenses:
Selling, general and administrative	7,033	7,599	20,989	22,496
Research and development	2,744	2,156	7,840	6,349
Acquisition amortization	248	31	746	31
Operating expenses	10,025	9,786	29,575	28,876
Operating income from continuing operations	1,920	1,367	4,512	1,924
Other income (expense), net	128	(65)	(58)	225
Interest expense	(81)	(21)	(252)	(63)
Income from continuing operations before provision for income taxes	1,967	1,281	4,202	2,086
Provision for income taxes	(670)	(613)	(1,470)	(974)
Income from continuing operations	1,297	668	2,732	1,112
Discontinued operations
Loss on discontinued operations (net of tax)	(2,786)	(777)	(4,505)	(2,729)
Net Loss	$ (1,489)	$ (109)	$ (1,773)	$ (1,617)
Basic Earnings per Share:
Income from continuing operations (in dollars per share)	$ 0.08	$ 0.04	$ 0.18	$ 0.07
Loss from discontinued operations (in dollars per share)	(0.18)	(0.05)	(0.29)	(0.18)
Net Loss (in dollars per share)	(0.10)	(0.01)	(0.11)	(0.10)
Diluted Earnings per Share:
Income from continuing operations (in dollars per share)	0.08	0.04	0.17	0.07
Loss from discontinued operations (in dollars per share)	(0.18)	(0.05)	(0.29)	(0.18)
Net loss (in dollars per share)	$ (0.10)	$ (0.01)	$ (0.11)	$ (0.10)
Weighted average shares outstanding
Basic (in shares)	15,589	15,577	15,549	15,498
Diluted (in shares)	15,659	15,635	15,650	15,576