CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net revenues:
Product	$ 90,524	$ 90,998
Service	66,144	69,484
Contract	88,491	68,941
Revenue, net	245,159	229,423
Costs of sales:
Product	65,300	57,878
Service	46,073	56,736
Contract	82,841	64,347
Cost of goods and services sold	194,214	178,961
Gross margin	50,945	50,462
Operating expenses:
Selling, general and administrative	40,476	35,774
Research and development	13,697	13,797
Impairment of goodwill and intangible assets	300	20,843
Amortization of identifiable intangible assets	455	840
Operating expenses	54,928	71,254
Operating income (loss) from continuing operations	(3,983)	(20,792)
Other income, net	876	203
Interest expense	(69)	(211)
Income (loss) from continuing operations before provision for income taxes	(3,176)	(20,800)
Benefit (provision) for income taxes	1,414	7,440
Income (loss) from continuing operations	(1,762)	(13,360)
Discontinued operations -
Loss on discontinued operations (net of tax)	1,447	(2,172)
Net income (loss)	$ (315)	$ (15,532)
Basic earnings (loss) per share:
Income (loss) from continuing operations (in dollars per share)	$ (0.12)	$ (0.89)
Loss from discontinued operations (in dollars per share)	$ 0.10	$ (0.15)
Net income (loss) (in dollars per share)	$ (0.02)	$ (1.04)
Diluted earnings (loss) per share:
Income (loss) from continuing operations (in dollars per share)	$ (0.12)	$ (0.89)
Loss from discontinued operations (in dollars per share)	$ 0.10	$ (0.15)
Net income (loss) (in dollars per share)	$ (0.02)	$ (1.04)
Weighted average shares outstanding
Basic (in shares)	15,115	15,000
Diluted (in shares)	15,115	15,000