Note 6 - Options Outstanding - Summary of Stock Option Activity (Details) - $ / shares		6 Months Ended
	Sep. 02, 2015	Sep. 30, 2016	Sep. 30, 2015
Outstanding, beginning of period (in shares)		3,000,000	600,000
Outstanding, beginning of period (in dollars per share)		$ 0.20	$ 0.02
Issued (in shares)	3,000,000		3,000,000
Issued (in dollars per share)	$ 0.20		$ 0.20
Exercised (in shares)
Exercised (in dollars per share)
Expired (in shares)
Expired (in dollars per share)
Outstanding, end of period (in shares)		3,000,000	3,600,000
Outstanding, end of period (in dollars per share)		$ 0.20	$ 0.17
Exercisable, end of period (in shares)		3,000,000	3,600,000
Exercisable, end of period (in dollars per share)		$ 0.20	$ 0.17