Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 2)

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Income Taxes (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Summary of differences between income tax provision (benefit) and applied federal statutory rate      
Income tax at U.S. federal statutory rate $ (12,551) $ (5,661) $ (581)
Share-based compensation 38 21 (93)
State income tax, net of federal tax effect (2,528) (1,629) (759)
Tax exempt interest   (3) (8)
Foreign tax (27) (108) (210)
Non deductible acquisition costs     258
Other 51 140 1
Change in valuation allowance 14,080 5,728 13,610
Income tax (benefit) provision $ (937) $ (1,512) $ 12,218