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Product Warranty Obligation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Standard Product Warranty Accrual [Roll Forward]        
Beginning balance $ 836 $ 690 $ 886 $ 707
Warranties issued 135 100 303 295
Settlements made (117) (38) (335) (250)
Ending balance $ 854 $ 752 $ 854 $ 752