Net Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013	Dec. 29, 2013
Earnings Per Share [Abstract]
Net income (loss)	$ (1,932)	$ (3,496)	$ (9,361)	$ (8,695)	$ (13,519)
Basic and diluted weighted average common shares outstanding	30,766,524	22,899,092	26,959,024	22,883,993
Basic and diluted net income (loss) per share	$ (0.06)	$ (0.15)	$ (0.35)	$ (0.38)
Common shares excluded from diluted net loss per share computation	9,947,956	10,188,058	9,947,956	10,188,058