Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.2.0.727
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2015
Dec. 31, 2014
Stockholders' equity:    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 110,000,000 110,000,000
Common stock, shares outstanding 66,190,660 55,225,288
Series A Preferred Stock [Member]    
Stockholders' equity:    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, liquidation preference (in dollars per share) $ 50.00 $ 50.00
Preferred stock, shares authorized 2,500,000 2,500,000
Preferred stock, shares outstanding 1,578,948 1,578,948