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CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 335,273 335,273
Preferred stock, shares outstanding 335,273 335,273
Preferred stock, liquidation preference value (in dollars) $ 3,989,749 $ 3,989,749
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 35,582,492 23,199,469
Common stock, shares outstanding 35,582,492 23,199,469