Note 6 - Options Outstanding - Summary of Stock Option Activity (Details) - $ / shares	3 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2014
Outstanding, beginning of year (in shares)	600,000	5,600,000
Outstanding, beginning of year (in dollars per share)	$ 0.01	$ 0.01
Issued (in shares)
Issued (in dollars per share)
Exercised (in shares)		(5,000,000)	(5,000,000)
Exercised (in dollars per share)		$ 0.01
Expired (in shares)
Expired (in dollars per share)
Outstanding, end of year (in shares)	600,000	600,000	5,600,000
Outstanding, end of year (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Exercisable, end of year (in shares)	600,000	600,000
Exercisable, end of year (in dollars per share)	$ 0.01	$ 0.01