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Consolidated Statements Of Operations And Comprehensive Loss Consolidated Statements of Operations And Comprehensive Loss (Parenthetical) (USD $)
3 Months Ended 6 Months Ended
Jul. 01, 2012
Jul. 03, 2011
Jul. 01, 2012
Jul. 03, 2011
Change in valuation of interest rate swap, tax $ 68,000 $ 0 $ 42,000 $ 0
Stock-based compensation 177,000 266,000 279,000 522,000
Restaurant Wages And Related Expenses [Member]
       
Stock-based compensation 0 0 0 0
General and Administrative Expense [Member]
       
Stock-based compensation $ 0 $ 0 $ 0 $ 0