Annual report pursuant to Section 13 and 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

v2.4.0.8
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Series A Preferred Stock
Dec. 31, 2012
Series A Preferred Stock
Dec. 31, 2013
Series C Preferred Stock
Dec. 31, 2012
Series C Preferred Stock
Convertible senior notes interest rate 3.00%          
Series D Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01        
Series D Preferred stock, shares authorized (in shares) 2,000,000 2,000,000        
Series D Preferred stock, shares issued (in shares) 0 1,129,032        
Series D Preferred stock, shares outstanding (in shares) 0 1,129,032        
Liquidation preference, preferred stock value $ 0 $ 30,595,000        
Preferred Stock, par value (in dollars per share) $ 0.01   $ 0.01 $ 0.01 $ 0.01 $ 0.01
Preferred Stock, shares authorized (in shares) 10,000,000   4,000,000 4,000,000 500,000 500,000
Preferred Stock, shares issued (in shares)     0 0 0 0
Preferred Stock, shares outstanding (in shares)     0 0 0 0
Common Stock, par value (in dollars per share) $ 0.01 $ 0.01        
Common Stock, shares authorized (in shares) 750,000,000 500,000,000        
Common Stock, shares issued (in shares) 414,818,195 305,560,763        
Treasury stock, shares (in shares) 2,264,063 2,293,056        
Total assets in variable interest entity 6,700,000 5,600,000        
Total liability in variable interest entity $ 10,400,000 $ 5,500,000