Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015	Jan. 03, 2016
Income Tax Disclosure [Abstract]
Current	$ 0	$ 0	$ 0	$ 0
Deferred	2,605	(2,460)	2,641	(6,199)
Valuation allowance	(2,605)	2,460	(2,641)	6,199
Provision (benefit) for income taxes	0	0	0	0
Valuation allowance increase (decrease)	(2,600)	$ 2,500	(2,400)	$ 6,200
Deferred Tax Assets, Valuation Allowance	28,000		28,000
Operating Loss Carryforwards	48,600		48,600
Unrecognized Tax Benefits	0		0		$ 0
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 0		$ 0		$ 0