Quarterly report pursuant to Section 13 or 15(d)

Product Warranties (Details)

v3.20.2
Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Changes in Company's standard product warranty reserve [Roll Forward]        
Total product warranty reserve at the beginning of the period $ 130 $ 130 $ 160 $ 130
Warranty expense to cost of revenue 47 22 79 34
Utilization (47) (22) (109) (34)
Total product warranty reserve at the end of the period $ 130 $ 130 $ 130 $ 130