Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Current:
Federal	$ 54us-gaap_CurrentFederalTaxExpenseBenefit	$ 11us-gaap_CurrentFederalTaxExpenseBenefit	$ (114)us-gaap_CurrentFederalTaxExpenseBenefit
State	16	20	14
Total	70us-gaap_CurrentIncomeTaxExpenseBenefit	31us-gaap_CurrentIncomeTaxExpenseBenefit	(100)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	(7,862)
State	(914)
Total	(8,776)us-gaap_DeferredIncomeTaxExpenseBenefit
(Benefit from) provision for income taxes	$ (8,706)us-gaap_IncomeTaxExpenseBenefit	$ 31us-gaap_IncomeTaxExpenseBenefit	$ (100)us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.