Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value (Details)

v3.8.0.1
Assets and Liabilities Measured at Fair Value (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Realized and Unrealized Gains (Losses) on Financial Instruments  
Realized and unrealized gains (losses) $ 981
Zero-strike call option  
Realized and Unrealized Gains (Losses) on Financial Instruments  
Realized and unrealized gains (losses) $ 981