Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2011
Jan. 01, 2011
Consolidated Balance Sheets [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 50,000 50,000
Common stock, shares issued 14,940 15,985
Common stock, shares outstanding 14,940 15,985