Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Expense (Details)

v3.20.1
Stock-Based Compensation - Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
LTIPs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense $ 4,922 $ 3,938 $ 2,551
RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense 7,162 8,928 5,106
Cost of sales | LTIPs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense 1,658 1,254 654
Cost of sales | RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense 2,185 1,502 865
Selling, general and administrative expenses | LTIPs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense 2,972 2,413 1,695
Selling, general and administrative expenses | RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense 4,831 7,338 4,195
Research and development | LTIPs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense 292 271 202
Research and development | RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense $ 146 $ 88 $ 46