Note 8. Income Taxes - Textuals (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Operating Loss Carryforwards	$ 5,698,000
Tax Credit Carryforwards	2,734,000
Valuation Allowance, Operating Loss Carryforwards	1,761,000
Valuation Allowance, Other	150,000
Aggregate Foreign Unremitted Earnings on Which Determination of Deferred Tax Liability Is Not Practicable	80,300,000
Income Taxes Paid (Refunded), Net	1,504,000	(2,851,000)	8,866,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	$ (2,000)	$ 107,000	$ 72,000