Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Compensation Expense (Details)

v3.10.0.1
Stock-Based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Stock-Based Compensation        
Stock-based compensation expense $ 292 $ 102 $ 743 $ 409
Cost of goods sold        
Stock-Based Compensation        
Stock-based compensation expense 13   38 38
Research and development        
Stock-Based Compensation        
Stock-based compensation expense 8 4 21 16
Selling, general and administrative        
Stock-Based Compensation        
Stock-based compensation expense $ 271 $ 98 $ 684 $ 355