CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net revenues:
Product	$ 20,142	$ 22,743	$ 40,312	$ 44,453
Service	16,014	17,440	31,393	33,084
Contract	25,929	16,258	45,973	33,080
Revenue, net	62,085	56,441	117,678	110,617
Costs of sales:
Product	14,041	13,963	25,018	27,134
Service	11,473	20,285	22,038	30,992
Contract	24,584	15,336	43,567	31,145
Cost of goods and services sold	50,098	49,584	90,623	89,271
Gross margin	11,987	6,857	27,055	21,346
Operating expenses:
Selling, general and administrative	9,291	9,647	19,434	18,985
Research and development	3,089	3,322	6,638	7,065
Impairment of goodwill and intangible assets	0	20,843	0	20,843
Amortization of identifiable intangible assets	150	205	303	410
Operating expenses	12,530	34,017	26,375	47,303
Operating income from continuing operations	(543)	(27,160)	680	(25,957)
Other income, net	(366)	(157)	207	(129)
Interest expense	(21)	(67)	(42)	(115)
Income from continuing operations before provision for income taxes	(930)	(27,384)	845	(26,201)
Provision for income taxes	419	9,858	(321)	9,416
Income from continuing operations	(511)	(17,526)	524	(16,785)
Discontinued Operations
Income (loss) on discontinued operations (net of tax)	(10)	(322)	1,420	(659)
Net income	$ (521)	$ (17,848)	$ 1,944	$ (17,444)
Basic Earnings per Share:
Income from continuing operations (in dollars per share)	$ (0.03)	$ (1.17)	$ 0.03	$ (1.12)
Income (loss) from discontinued operations (in dollars per share)	$ 0	$ (0.02)	$ 0.09	$ (0.04)
Net income (in dollars per share)	$ (0.03)	$ (1.19)	$ 0.13	$ (1.17)
Diluted Earnings per Share:
Income from continuing operations (in dollars per share)	$ (0.03)	$ (1.17)	$ 0.03	$ (1.12)
Income (loss) from discontinued operations (in dollars per share)	$ 0	$ (0.02)	$ 0.09	$ (0.04)
Net income (in dollars per share)	$ (0.03)	$ (1.19)	$ 0.13	$ (1.17)
Weighted average shares outstanding
Basic (in shares)	15,098	14,996	15,091	14,960
Diluted (in shares)	15,098	14,996	15,163	14,960