Note 11 - Summary of Stock Option Activity (Details) - $ / shares		12 Months Ended
	Sep. 02, 2015	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2013
Outstanding, beginning of year (in shares)		600,000	600,000
Outstanding, beginning of year (in dollars per share)		$ 0.01	$ 0.01
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	3,000,000	3,000,000		5,600,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 0.20	$ 0.20
Expired (in shares)		(600,000)
Expired (in dollars per share)		$ (0.01)
Outstanding, end of year (in shares)		3,000,000	600,000
Outstanding, end of year (in dollars per share)		$ 0.20	$ 0.01
Exercisable, end of year (in shares)		3,000,000	600,000
Exercisable, end of year (in dollars per share)		$ 0.20	$ 0.01