Note 5. Commitments and Contingent Liabilities - Product Warranty (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Product Warranty Liability at the beginning of the period	$ 2,351	$ 2,264
Additions to warranty accrual (including changes in estimates)	294	717
Settlements made (in cash or in kind)	(628)	(514)
Product Warranty Liability at the end of the period	$ 2,017	$ 2,467