Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v3.22.1
Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Changes in the product liability      
Balance at beginning of period $ 250 $ 477 $ 365
Reserve for warranties issued during the period 605 217 160
Settlements made during the period (298) (444) (48)
Balance at end of period 557 250 477
Totaled arrangements under letter of credit guarantees and performance bonds securing performance obligations 9,760 6,905  
Guarantee obligations secured by cash deposits 953 1,066  
Cash deposits pledged as collateral on performance bonds and letters of credit 2,486 1,667  
Guarantee obligations represented by a reduction of the available amount of the company's short term and long term revolving lines of credit 2,948 3,314  
Related Party Transaction, Expenses from Transactions with Related Party 2,498 1,768 $ 2,679
Indian Custom Bonds Outstanding 4,807 4,938  
Purchase Obligation, Fiscal Year Maturity [Abstract]      
2023 2,060    
2024 1,594    
2025 43    
Purchase Obligation 3,697    
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Measure of Progress $ 2,523 $ 4,380