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Note 9. Income Taxes (Detail) - Reconciliation Schedule of Federal Income Tax Benefits (USD $)
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Expected income tax benefit at statutory rate $ (2,198,000) $ (2,379,000)
State taxes, net of federal benefit (198,000) (214,000)
Permanent differences 12,000 6,000
Expiration of NOLs 280,000 1,346,000
Change in valuation allowance 2,104,000 1,241,000
Income tax benefit $ 0 $ 0