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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Trade accounts receivable, allowances (in Dollars) $ 62 $ 84
Preferred stock, par value (in Dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized 2,000,000 2,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in Dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 78,154,330 51,421,937
Common stock, shares outstanding 78,154,330 51,421,937