Note 7 - Stockholders' Equity: (Tables)

6 Months Ended

Dec. 31, 2012

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

	Weighted average, December 31, 2012	Range, December 31, 2012			Weighted average, December 31, 2011	Range, December 31, 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 December 31, 2012		5,261,145	$	2.84		4.1	$	113,750
Exercisable at December 31, 2012		4,671,145	$	2.85		4.0	$	113,750

Schedule of Nonvested Share Activity [Table Text Block]

	Options			Weighted Average Grant-Date Fair Value
Nonvested at July 1, 2012		590,000		$	1.83
Granted		150,000			0.83
Vested		(150,000	)		(0.83	)
Forfeited		-			-
Nonvested at December 31, 2012		590,000		$	1.83

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

	Three months ended December 31, 2012		Three months ended December 31, 2011		Six months ended December 31, 2012		Six months ended December 31, 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		49,998		49,998
Change in fair value from modification of option terms		-		-		-		94,820
Fair value of stock options expensed		104,732		319,422		335,085		2,165,688
Total	$	129,731	$	344,421	$	1,536,333	$	3,345,806
Research and development:
Fair value of stock options expensed	$	9,323	$	-	$	18,025	$	40,598
Total	$	9,323	$	-	$	18,025	$	40,598