Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Warrants (Details)

v3.7.0.1
Fair Value Measurements - Warrants (Details) - USD ($)
$ in Thousands
5 Months Ended 12 Months Ended
Oct. 21, 2016
Mar. 31, 2017
Mar. 31, 2017
Fair Value Measurements      
Change in fair value of warrant liability     $ (1,323)
Warrants      
Fair Value Measurements      
Change in fair value of warrant liability   $ 1,300 $ 1,323
Risk-free interest rates range (as a percent)     1.90%
Contractual term     5 years 1 month 6 days
Expected volatility range (as a percent)     67.60%
Total | Warrants      
Fair Value Measurements      
Fair value of warrants issued $ 4,200