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Product Warranty Obligation (Tables)
3 Months Ended
Dec. 31, 2021
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Accrual
The following tables summarize the activity associated with the product warranty accrual (in thousands) and is included on our condensed consolidated balance sheets within current liabilities:
 Balance atWarrantiesSettlementsBalance at
PeriodOctober 1issuedmadeDecember 31
Three months ended December 31, 2021$707 $71 $(120)$658 
Three months ended December 31, 2020$942 $123 $(100)$965