Note 11. Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Deferred Tax Assets:
Deferred Tax Assets, Receivables	$ 145	$ 105
Deferred Tax Assets, Inventory	1,894	1,914
Deferred Tax Assets, Employee Benefits	224	193
Deferred Tax Assets, Deferred Compensation	5,338	6,149
Deferred Tax Assets, Other Current Liabilities	265	1,275
Deferred Tax Assets, Tax Credit Carryforwards	2,445	1,638
Deferred Tax Assets, Goodwill	1,608	268
Deferred Tax Assets, Net Operating Loss Carryforwards	2,398	2,339
Deferred Tax Assets, Unrealized Currency Losses	0	11
Deferred Tax Assets, Miscellaneous	4,020	2,970
Deferred Tax Assets, Valuation Allowance	(1,637)	(658)
Deferred Tax Assets	16,700	16,204
Deferred Tax Liabilities:
Deferred Tax Liabilities, Intangible Assets	1,313	1,412
Deferred Tax Liabilities, Property, Plant and Equipment	1,211	1,116
Deferred Tax Liabilities, Unrealized Currency Transaction Gains	22	0
Deferred Tax Liabilities, Miscellaneous	581	477
Deferred Tax Liabilities, Net	3,127	3,005
Net Deferred Income Taxes	$ 13,573	$ 13,199