Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Detail)

v3.22.1
Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Reserve for Doubtful Accounts Receivable [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 29 $ 33 $ 33
Charged to Costs and Expenses 163 (4)  
Charged to Other Accounts 21    
Deductions (126)    
Balance at End of Period 87 29 33
Product Warranty Liability [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 626 359 366
Charged to Costs and Expenses 386 344 62
Charged to Other Accounts 169    
Deductions (740) (77) (69)
Balance at End of Period 441 $ 626 $ 359
Accrued expenses      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Charged to Costs and Expenses 1,073    
Deductions (313)    
Balance at End of Period $ 760