Quarterly report pursuant to Section 13 or 15(d)

Accrued Warranty Reserve (Details)

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Accrued Warranty Reserve (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2022
Mar. 31, 2021
Accrued Warranty Reserve    
Maximum period of product warranties 24 months  
Balance, beginning of the period $ 1,483  
Standard warranty provision 174  
Accrual related to reliability repair programs 0 $ 4,900
Deductions for warranty claims (130)  
Balance, end of the period $ 1,527