CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net revenues:
Product	$ 26,324	$ 37,206
Service	13,196	14,343
Contract	16,141	14,316
Net revenues	55,661	65,865
Costs of sales:
Product	19,440	27,572
Service	9,547	10,474
Contract	14,827	12,747
Cost of sales	43,814	50,793
Gross margin	11,847	15,072
Operating expenses:
Selling, general and administrative	8,600	9,610
Research and development	2,868	2,980
Amortization of identifiable intangible assets	241	241
Operating expenses	11,709	12,831
Operating income from continuing operations	138	2,241
Other income (expense), net	49	(248)
Interest expense, net	(41)	(32)
Income from continuing operations before provision for income taxes	146	1,961
Provision for income taxes	(78)	(697)
Income from continuing operations	68	1,264
Discontinued operations
Income from discontinued operations (net of tax)	0	183
Net income	$ 68	$ 1,447
Basic Earnings per Share:
Income from continuing operations (in dollars per share)	$ 0.00	$ 0.08
Income from discontinued operations (in dollars per share)	0.00	0.01
Net income (in dollars per share)	0.00	0.09
Diluted Earnings per Share:
Income from continuing operations (in dollars per share)	0.00	0.08
Income from discontinued operations (in dollars per share)	0.00	0.01
Net income (in dollars per share)	$ 0.00	$ 0.09
Weighted average shares outstanding
Basic (in shares)	15,948	15,781
Diluted (in shares)	16,286	15,978