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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]    
Accounts receivable-trade, allowance $ 239 $ 393
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 7,911,257 7,825,787
Common stock, shares outstanding 7,911,257 7,825,787
Treasury stock, shares 20,222 0
Retained earnings, accumulated statutory reserves in equity method investments $ 1,284 $ 1,284