Income Taxes (Provision for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Income (loss) before income taxes:
U.S.	$ (11,888)	$ (12,444)	$ (7,569)
Foreign	67	148	25
Income (loss) before income taxes	(11,821)	(12,296)	(7,544)
Current:
Federal	58	0	0
State	1	2	2
Foreign	83	51	66
Subtotal	142	53	68
Deferred:
Federal	225	(55)	0
State	48	(9)	0
Foreign	40	29	(18)
Subtotal	313	(35)	(18)
Provision for (benefit from) income taxes	$ 455	$ 18	$ 50