Note 6 - Stockholders' Equity: (Tables)

3 Months Ended

Sep. 30, 2012

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Weighted average, June 30, 2012			Range, June 30, 2012			Weighted average, June 30, 2011			Range, June 30, 2011
Volatility		66	%	60%	-	68%		84	%		61%	-	88%
Dividend yield		-			-			-					-
Risk-free interest rate		0.32	%	0.31%	-	0.34%		1.37	%		0.25%	-	2.02%
Expected term (years)		3.05		2.66	-	3.25		4.1			2	-	4.5

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life		Aggregate Intrinsic Value
Outstanding at July 1, 2012		5,111,145		2.86		4.6		274,200
Granted		150,000		2.10
Exercised		-		-
Forfeited		-		-
Expired		-		-
Outstanding at September 30, 2012		5,261,145	$	2.84		4.4	$	206,250
Exercisable at September 30, 2012		4,671,145	$	2.85		4.2	$	206,250

Schedule of Nonvested Share Activity [Table Text Block]

	Options			Weighted Average Grant-Date Fair Value
Nonvested at July 1, 2011		590,000		$	1.83
Granted		150,000			0.83
Vested		(150,000	)		(0.83	)
Forfeited		-			-
Nonvested at June 30, 2012		590,000		$	1.83

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Three months ended September 30, 2012		Three months ended September 30, 2011
General and administrative:
Fair value of stock/warrant bonuses expensed	$	1,151,250	$	1,035,300
Fair value of stock issued to an employee		24,999		24,999
Change in fair value from modification of option terms		-		94,820
Fair value of stock options expensed		230,353		1,846,265
Total	$	1,406,602	$	3,001,384
Research and development:
Fair value of stock options expensed	$	8,702	$	40,598
Total	$	8,702	$	40,598