CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net revenues:
Product	$ 22,018	$ 22,673	$ 63,563	$ 68,846
Service	14,141	14,697	43,311	46,031
Contract	20,132	18,168	63,360	66,851
Revenue, net	56,291	55,538	170,234	181,728
Costs of sales:
Product	14,160	15,492	42,878	46,806
Service	10,088	11,042	30,472	33,498
Contract	18,791	16,649	59,358	62,440
Cost of goods and services sold	43,039	43,183	132,708	142,744
Gross margin	13,252	12,355	37,526	38,984
Operating expenses:
Selling, general and administrative	9,379	8,616	28,155	28,315
Research and development	4,017	3,730	11,642	11,576
Amortization of identifiable intangible assets	31	0	31	0
Operating expenses	13,427	12,346	39,828	39,891
Operating income (loss) from continuing operations	(175)	9	(2,302)	(907)
Other income (expense) net	(20)	152	308	373
Interest expense	(21)	(16)	(63)	(42)
Income (loss) from continuing operations before benefit for income taxes	(216)	145	(2,057)	(576)
Benefit for income taxes	107	300	440	900
Income (loss) from continuing operations	(109)	445	(1,617)	324
Discontinued operations
Loss on discontinued operations (net of tax)	0	(5)	0	(211)
Net Income (loss)	$ (109)	$ 440	$ (1,617)	$ 113
Basic Earnings per Share:
Income (loss) from continuing operations (in dollars per share)	$ (0.01)	$ 0.03	$ (0.10)	$ 0.02
Loss from discontinued operations (in dollars per share)	$ 0	$ 0	$ 0	$ (0.01)
Net income (loss) (in dollars per share)	$ (0.01)	$ 0.03	$ (0.10)	$ 0.01
Diluted Earnings per Share:
Income (loss) from continuing operations (in dollars per share)	$ (0.01)	$ 0.03	$ (0.10)	$ 0.02
Loss from discontinued operations (in dollars per share)	$ 0	$ 0	$ 0	$ (0.01)
Net income (loss) (in dollars per share)	$ (0.01)	$ 0.03	$ (0.10)	$ 0.01
Weighted average shares outstanding
Basic (in shares)	15,577	15,405	15,498	15,228
Diluted (in shares)	15,577	15,446	15,498	15,253