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Note 4. Commitments and Contingent Liabilities (Tables)
3 Months Ended
Sep. 30, 2017
Commitments and Contingent Liabilities [Abstract]  
Schedule of Product Warranty Liability
Changes in the product warranty accrual for the three months ended September 30, 2017 and 2016 were as follows:
 
Three Months Ended
 
September 30
(Amounts in Thousands)
2017
 
2016
Product warranty liability at the beginning of the period
$
593

 
$
605

Additions to warranty accrual (including changes in estimates)
47

 
170

Settlements made (in cash or in kind)
(53
)
 
(142
)
Product warranty liability at the end of the period
$
587

 
$
633