Note 8 - Stockholders' Equity: (Tables)

3 Months Ended

Sep. 30, 2013

Stockholders' Equity Note [Abstract]

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

	Weighted average, September 30, 2013		Range, September 30, 2013			Weighted average, September 30, 2012		Range, September 30, 2012
Volatility		49%	49%	-	50%		66%	60%	-	68%
Dividend yield		-		-			-		-
Risk-free interest rate		0.62%	0.59%	-	0.68%		0.32%	0.31%	-	0.34%
Expected term (years)		2.68	2.63	-	2.71		3.05	2.66	-	3.25

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, 2013		5,261,145	$	2.84		4.0	$	168,750
Granted		67,725		1.51
Exercised		-		-
Forfeited		-		-
Expired		-		-
Outstanding at September 30, 2013		5,328,870	$	2.82		3.8	$	52,000
Exercisable at September 30, 2013		5,003,870	$	2.83		3.7	$	52,000

Schedule of Nonvested Share Activity [Table Text Block]

	Options			Weighted Average Grant-Date Fair Value
Nonvested at July 1, 2013		325,000		$	1.86
Granted		67,725			0.51
Vested		(67,725	)		(0.51	)
Forfeited		-			-
Nonvested at September 30, 2013		325,000		$	1.86

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

	Three months ended September 30, 2013		Three months ended September 30, 2012
General and administrative:
Fair value of stock/warrant bonuses expensed	$	-	$	1,151,250
Fair value of stock issued to an employee		69,999		24,999
Change in fair value from modification of option terms		307,638		-
Fair value of stock options expensed		68,210		230,353
Total	$	445,847	$	1,406,602
Research and development:
Fair value of stock options expensed	$	17,648	$	8,702
Total	$	17,648	$	8,702