Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Net revenues:
Systems and components	$ 13,320	$ 8,885
Technology development	3,695	4,097
Total net revenues	17,015	12,982
Cost of net revenues:
Systems and components	9,736	6,307
Technology development	2,469	3,161
Total cost of net revenues	12,205	9,468
Gross profit	4,810	3,514
Operating expenses:
Research and development	4,273	6,358
Selling, general and administrative	5,261	5,971
Total operating expenses	9,534	12,329
Loss on divestiture		(208)
Loss from operations	(4,724)	(9,023)
Interest income and other, net	73	80
Loss before income taxes	(4,651)	(8,943)
Benefit from income taxes	130	679
Net loss	$ (4,521)	$ (8,264)
Net loss per share:
Basic and Diluted	$ (0.19)	$ (0.35)
Weighted average common shares outstanding:
Basic and Diluted	23,858	23,663