Note 4 - Lease (Details) - USD ($)	6 Months Ended
	Sep. 30, 2019	Apr. 02, 2019	Mar. 31, 2019
ROU assets	$ 156,972	$ 182,624	$ 0
Operating Lease liability	$ 171,538	$ 190,173
Operating Lease Discount Rate	17.00%
Finance lease costs	$ 340,880
Interest expense	214,394
Amortization of Finance Lease right-of-use assets	126,486
Operating lease costs	41,174
Interest expense	15,522
Amortization of operating lease right-of-use assets	25,652
Discontinued Operations [Member]
ROU assets	8,400		$ 0
Finance lease costs	222,824
Interest expense	123,382
Amortization of Finance Lease right-of-use assets	$ 84,167
Minimum
Capital lease discount	10.20%
Maximum
Capital lease discount	11.50%