CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net revenues:
Product	$ 22,084	$ 20,745
Service	11,704	10,637
Contract	21,517	23,836
Revenue, net	55,305	55,218
Costs of sales:
Product	16,442	14,713
Service	8,599	8,033
Contract	19,655	22,474
Cost of goods and services sold	44,696	45,220
Gross margin	10,609	9,998
Operating expenses:
Selling, general and administrative	7,542	6,660
Research and development	2,762	2,434
Amortization of identifiable intangible assets	241	249
Operating expenses	10,545	9,343
Operating income from continuing operations	64	655
Other expense, net	(70)	(206)
Interest income (expense), net	29	(86)
Income from continuing operations before provision for income taxes	23	363
Provision for income taxes	(8)	(171)
Income from continuing operations	15	192
Discontinued operations
Loss on discontinued operations (net of tax)	0	(577)
Net income (loss)	$ 15	$ (385)
Basic Earnings per Share:
Income from continuing operations (in dollars per share)	$ 0	$ 0.01
Loss from discontinued operations (in dollars per share)	0	(0.04)
Net Income (loss) (in dollars per share)	0	(0.02)
Diluted Earnings per Share:
Income from continuing operations (in dollars per share)	0	0.01
Loss from discontinued operations (in dollars per share)	0	(0.04)
Net income (loss) (in dollars per share)	$ 0	$ (0.02)
Weighted average shares outstanding
Basic (in shares)	15,646	15,596
Diluted (in shares)	15,723	15,710