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Acquisition (Details 1) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Unaudited pro forma results of operations  
Net sales $ 100,638
Gross profit 21,157
Income (loss) from operations (1,032)
Income (loss) before income taxes (624)
Net income (loss) $ (445)
Basic earnings (Loss) per share $ (0.05)
Diluted earnings (Loss) per share $ (0.05)