Note 9 - Stockholders' Equity (Details) - Stock Options Activity (USD $)	9 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Stock Options Activity [Abstract]
Outstanding	4,818,870		4,258,870
Outstanding	$ 1.93		$ 2.81
Outstanding	4 years 73 days		3 years 73 days
Outstanding	$ 38,675
Granted	957,500
Granted	$ 0.74
Exercised	0
Exercised	$ 0
Forfeited	0	(200,000)
Forfeited	$ 0
Expired	(397,500)	(900,000)
Expired	$ 3.06
Exercisable at March 31, 2015	4,718,870
Exercisable at March 31, 2015	$ 1.96
Exercisable at March 31, 2015	4 years 36 days
Exercisable at March 31, 2015	$ 23,625