Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Consolidated Statements Of Operations
Product net sales	$ 75,567	$ 71,879	$ 146,563	$ 138,080
Service net sales	15,472	16,598	29,513	33,299
Net sales	91,039	88,477	176,076	171,379
Product cost of sales	53,419	48,066	100,165	93,311
Service cost of sales	7,828	8,054	14,642	16,091
Cost of sales	61,247	56,120	114,807	109,402
Selling, general and administrative expenses	23,987	22,128	45,501	43,801
Research and development expenses	6,921	4,709	12,595	10,130
Proxy contest and merger-related costs	6,114	0	6,834	0
Impairment loss on goodwill related charges	0	0	0	384
Acquisition-related items	0	346	0	563
Operating (loss) income	(7,230)	5,174	(3,661)	7,099
Interest income	110	101	222	281
Interest expense	(557)	(542)	(1,070)	(1,019)
Foreign exchange (loss) gain, net	(104)	244	(283)	(449)
(Loss) earnings before income taxes	(7,781)	4,977	(4,792)	5,912
Income tax (benefit) expense	(1,337)	1,109	(742)	1,453
Net (loss) earnings	$ (6,444)	$ 3,868	$ (4,050)	$ 4,459
Net (loss) earnings per share:
Basic	$ (0.42)	$ 0.25	$ (0.27)	$ 0.29
Diluted	$ (0.42)	$ 0.25	$ (0.27)	$ 0.29
Weighted-average number of common shares outstanding:
Basic	15,304	15,191	15,267	15,185
Diluted	15,304	15,230	15,267	15,218

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