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Note 5. Commitments and Contingent Liabilities (Tables)
3 Months Ended
Sep. 30, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability
Changes in the product warranty liability for the three months ended September 30, 2021 and 2020 were as follows:
Three Months Ended
September 30
(Amounts in Thousands)20212020
Product warranty liability at the beginning of the period$610 $647 
Additions to warranty accrual (including changes in estimates)(34)249 
Settlements made (in cash or in kind)— (2)
Product warranty liability at the end of the period$576 $894