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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Sep. 27, 2014
Dec. 28, 2013
Net allowances on Accounts receivables $ 67 $ 67
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 29,599,356 28,935,253
Common stock, shares outstanding 29,599,356 28,935,253