Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.2.0.727
Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Dec. 15, 2014
Outstanding debt obligations      
Unaccredited discount on Convertible Notes $ (4,184) $ (4,612)  
Convertible debt, total 147,627 145,203  
Unsecured debt | Convertible Notes      
Outstanding debt obligations      
Face amount 172,500 172,500  
Unaccredited discount on Convertible Notes (24,873) (27,297) $ (27,500)
Convertible debt, total $ 147,627 $ 145,203