Note 7 - Deferred Revenues (Details) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended
	Jun. 30, 2016	Dec. 31, 2016	Dec. 31, 2016
Deferred Revenue Disclosure [Abstract]
Deferred Revenue, Additions	$ 679,935
Deferred Revenue, Revenue Recognized		$ 127,452	$ 470,288
Deferred Revenue		$ 209,647	$ 209,647