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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jan. 01, 2012
Jan. 02, 2011
Consolidated Balance Sheets [Abstract]    
Allowance for doubtful accounts receivable, current $ 142 $ 201
Accumulated amortization on other assets $ 383 $ 69
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 23,483,815 23,315,832
Common stock, shares outstanding 21,890,970 21,832,537
Treasury stock, shares 1,592,845 1,483,295