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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]    
Accounts receivable-trade, allowance $ 215 $ 393
Mandatorily redeemable convertible preferred stock par value $ 0.001 $ 0.001
Mandatorily redeemable convertible preferred stock, issued 1,000,000 0
Mandatorily redeemable convertible preferred stock, outstanding 1,000,000 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 7,913,535 7,828,509
Common stock; shares outstanding 7,913,535 7,828,509
Treasury stock, shares 20,222   
Retained earnings; accumulated statutory reserves in equity method investments $ 1,620 $ 1,284