Note 9. Income Taxes - Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Tax Reconciliation, Tax Provision (Benefit) Computed at U.S. Federal Statutory Rate	$ 11,686	$ 6,188	$ 1,474
Effective Income Tax Rate Reconciliation, Tax Computed at U.S. Federal Statutory Rate	35.00%	35.00%	35.00%
Income Tax Reconciliation, State Income Taxes, Net of Federal Income Tax Benefit	$ 1,043	$ 662	$ (45)
Effective Income Tax Rate Reconciliation, State Income Taxes, Net of Federal Income Tax Benefit	3.10%	3.70%	(1.10%)
Income Tax Reconciliation, Valuation Allowance	$ 0	$ 0	$ (797)
Effective Income Tax Rate Reconciliation, Valuation Allowance	0.00%	0.00%	(18.90%)
Income Tax Reconciliation Tax Credit Domestic Manufacturing Deduction	$ (286)	$ (602)	$ (327)
Effective Income Tax Rate Reconciliation, Domestic Manufacturing Deduction	(0.90%)	(3.40%)	(7.80%)
Income Tax Reconciliation, Research Credit	$ (346)	$ (218)	$ (115)
Effective Income Tax Rate Reconciliation, Research Credit	(1.00%)	(1.20%)	(2.70%)
Income Tax Reconciliation, Spin-off costs	$ 0	$ 784	$ 422
Effective Income Tax Rate Reconciliation, Spin-off costs	0.00%	4.40%	10.00%
Income Tax Reconciliation, Unrecognized Tax Benefit, Amount	$ 0	$ (851)	$ 0
Effective Tax Rate Reconciliation, Unrecognized Tax Benefit, Percent	(0.00%)	(4.80%)	(0.00%)
Income Tax Reconciliation, Other-Net	$ 137	$ 573	$ 181
Effective Income Tax Rate Reconciliation, Other-Net	0.40%	3.30%	4.30%
Total provision for income taxes from continuing operations	$ 12,234	$ 6,536	$ 793
Effective Income Tax Rate	36.60%	37.00%	18.80%