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Note 7 - Stockholders' Equity: (Detail) - Allocation of Recognized Period Costs (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Fair value of stock options expensed	$ 69,888	$ 224,987	$ 1,606,220	$ 3,570,793
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	74,997	74,997
General and administrative [Member]
Fair value of stock options expensed	44,889	199,988	379,973	2,365,676
Research and development [Member]
Fair value of stock options expensed	$ 7,801	$ 9,653	$ 25,826	$ 50,251

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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