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Consolidated Balance Sheets (Parentheticals) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Accounts receivable net allowances (in Dollars) $ 10 $ 10
Preferred stock par value (in Dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock par value (in Dollars per share) $ 0.0001 $ 0.0001
Common stock shares authorized 75,000,000 75,000,000
Common stock shares issued 41,319,057 41,308,446
Common stock shares outstanding 41,319,057 41,308,446