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 6 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Stock-Based Compensation        
Stock-based compensation expense $ 224 $ 153 $ 451 $ 307
Cost of goods sold        
Stock-Based Compensation        
Stock-based compensation expense 13 18 25 38
Research and development        
Stock-Based Compensation        
Stock-based compensation expense 6 5 13 12
Selling, general and administrative        
Stock-Based Compensation        
Stock-based compensation expense $ 205 $ 130 $ 413 $ 257