XML 17 R48.htm IDEA: XBRL DOCUMENT v3.2.0.727
Long-term debt (Details 2) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Future principal payments of long-term debt, including capital leases    
2015 $ 3,257  
2016 17,357  
2017 15,303  
Future principal payments, including capital leases 35,917  
Less unamortized debt discount (1,462)  
Less current portion (3,257) $ (1,653)
Long-term debt, net of current portion $ 31,198 $ 23,121