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Consolidated Balance Sheets (Parentheticals) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Accounts receivable net allowances (in Dollars) $ 0 $ 0
Preferred stock par value (in Dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in Shares) 5,000,000 5,000,000
Preferred stock, shares issued (in Shares) 0 0
Preferred stock, shares outstanding (in Shares) 0 0
Common stock par value (in Dollars per share) $ 0.0001 $ 0.0001
Common stock shares authorized (in Shares) 75,000,000 75,000,000
Common stock shares issued (in Shares) 43,334,441 41,739,569
Common stock shares outstanding (in Shares) 43,334,441 41,739,569