Condensed Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Net loss	$ (6,305)	$ (2,893)
Other comprehensive income, before tax:
Change in unrealized net gain on available-for-sale investments	44	29
Foreign currency translation gains	67
Other comprehensive income, before tax	111	29
Income tax provision related to items in other comprehensive income	0	0
Net current-period other comprehensive income	111	29
Comprehensive loss	$ (6,194)	$ (2,864)