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Note 7 - Stockholders' Equity: (Detail) - Allocation of Recognized Period Costs (USD $)
3 Months Ended 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Fair value of stock options expensed $ 129,731 $ 344,421 $ 1,536,333 $ 3,345,806
Change in fair value from modification of option terms       94,820
Stock Bonus [Member]
       
Fair value of stock options expensed     1,151,250 1,035,300
Individual Employee [Member]
       
Fair value of stock options expensed 24,999 24,999 49,998 49,998
General and administrative [Member]
       
Fair value of stock options expensed 104,732 319,422 335,085 2,165,688
Research and development [Member]
       
Fair value of stock options expensed $ 9,323   $ 18,025 $ 40,598