Note 11. Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Unrecognized Tax Benefits, Beginning Balance	$ 904	$ 160	$ 102
Unrecognized Tax Benefits, Additions Resulting from Prior Period Tax Positions	116	758	78
Unrecognized Tax Benefits, Reductions Resulting from Prior Period Tax Positions	0	0	(20)
Unrecognized Tax Benefits, Additions Resulting from Current Period Tax Positions	0	0	0
Unrecognized Tax Benefits, Reductions Resulting from Current Period Tax Positions	0	0	0
Unrecognized Tax Benefits, Reductions Resulting from Settlements with Taxing Authorities	0	0	0
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(66)	(14)	0
Unrecognized Tax Benefits, Ending Balance	954	904	160
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 262	$ 214	$ 137