Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2013		Sep. 30, 2012		Sep. 29, 2013		Sep. 30, 2012
Revenue	$ 9,066	[1]	$ 3,657	[1]	$ 17,209	[1]	$ 11,858	[1]
Cost of revenue	6,037		1,916		11,210		6,313
Gross profit	3,029		1,741		5,999		5,545
Operating expenses:
Research and development	2,052		1,865		5,902		7,119
Selling, general and administrative	3,207		2,658		8,648		8,104
Restructuring costs (credits)	(32)		0		181		0
Income (loss) from operations	(2,198)		(2,782)		(8,732)		(9,678)
Gain on sale of TowerJazz Semiconductor Ltd. Shares	0		0		181		0
Interest expense	(8)		(12)		(37)		(49)
Interest income and other expense, net	(74)		18		(130)		(45)
Income (loss) before income taxes	(2,280)		(2,776)		(8,718)		(9,772)
Provision for (benefit from) income taxes	(18)		22		369		(17)
Net income (loss)	$ (2,262)		$ (2,798)		$ (9,087)		$ (9,755)
Net Income (loss) per share:
Basic (in dollars per share)	$ (0.05)		$ (0.06)		$ (0.20)		$ (0.24)
Diluted (in dollars per share)	$ (0.05)		$ (0.06)		$ (0.20)		$ (0.24)
Weighted average shares:
Basic (in shares)	44,761		44,122		44,640		40,975
Diluted (in shares)	44,761		44,122		44,640		40,975

[1] For all periods presented: New products represent products introduced since 2005, and include ArcticLink®, ArcticLink II, ArcticLink III, Eclipse™ II, PolarPro®, PolarPro II, and QuickPCI II. Mature products include Eclipse, EclipsePlus, pASIC® 1, pASIC 2, pASIC 3, QuickFC, QuickMIPS, QuickPCI, QuickRAM, and V3, as well as royalty revenue, programming hardware and software.