Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Recurring (Details)

v3.6.0.2
Fair Value Measurements - Recurring (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Mar. 31, 2016
Fair Value Measurements      
Restricted cash   $ 5,000  
Warrant liability $ (2,463)    
Recurring | Total      
Fair Value Measurements      
Cash equivalents 9,015   $ 3,002
Restricted cash 5,009   5,002
Warrant liability (2,463)    
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Fair Value Measurements      
Cash equivalents 9,015   3,002
Restricted cash 5,009   $ 5,002
Recurring | Significant Unobservable Inputs (Level 3)      
Fair Value Measurements      
Warrant liability $ (2,463)