Annual report pursuant to Section 13 and 15(d)

Description of Stock Plans - Stock Compensation Expense (Detail)

v3.20.1
Description of Stock Plans - Stock Compensation Expense (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]      
Allocated Stock compensation expense $ 3,353 $ 2,531 $ 2,978
Product development      
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]      
Allocated Stock compensation expense 0 0 0
Sales and marketing      
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]      
Allocated Stock compensation expense 0 0 0
General and administrative      
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]      
Allocated Stock compensation expense $ 3,353 $ 2,531 $ 2,978