Income Taxes (Provision for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Income (loss) before income taxes:
U.S.	$ (12,444)	$ (7,569)	$ (209)
Foreign	148	25	148
Income (loss) from operations before income taxes	(12,296)	(7,544)	(61)
Current:
Federal	0	0	(11)
State	2	2	2
Foreign	51	66	51
Subtotal	53	68	42
Deferred:
Federal	(55)	0	(170)
State	(9)	0	(40)
Foreign	29	(18)	(16)
Subtotal	(35)	(18)	(226)
Provision for (benefit from) income taxes	$ 18	$ 50	$ (184)