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Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2017
Dec. 31, 2016
Common stock, par value (in usd per share) $ 0.001 $ 0.001
Common stock, authorized shares 900,000,000 900,000,000
Common stock, issued shares 84,048,081 84,048,081
Common stock, outstanding shares 84,048,081 84,048,081
Series A Preferred Stock    
Preferred stock, par value (in usd per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 36,000,000 36,000,000
Preferred stock, shares issued 144,698 61,435
Preferred stock, shares outstanding 144,698 61,435
Preferred stock, liquidation preference per share (in usd per share) $ 25.00 $ 25.00