Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2016	Sep. 27, 2015	Oct. 02, 2016	Sep. 27, 2015	Jan. 03, 2016
Income Tax Disclosure [Abstract]
Current	$ 0	$ 0	$ 0	$ 0
Deferred	(466)	1,989	2,175	(4,210)
Valuation allowance	466	(1,989)	(2,175)	4,210
Provision (benefit) for income taxes	0	0	0	0
Valuation allowance increase (decrease)	500	$ (1,900)	(1,900)	$ 4,300
Deferred Tax Assets, Valuation Allowance	28,500		28,500
Operating Loss Carryforwards	53,500		53,500
Unrecognized Tax Benefits	0		0		$ 0
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 0		$ 0		$ 0