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Note 5. Commitments and Contingent Liabilities (Tables)
9 Months Ended
Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability
Changes in the product warranty accrual for the nine months ended March 31, 2021 and 2020 were as follows:
Nine Months Ended
March 31
(Amounts in Thousands)20212020
Product warranty liability at the beginning of the period$647 $958 
Additions to warranty accrual (including changes in estimates)(31)(269)
Settlements made (in cash or in kind)(58)(30)
Product warranty liability at the end of the period$558 $659