Note 13 - Right-of-use Assets - Operating Lease Liability (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Operating lease liabilities	$ 127,615
Initial recognition of operating lease liabilities		81,856
Capitalization of operating lease right-of-use assets		125,474
Payments on operating lease liabilities	(22,123)	(79,715)
Operating lease liabilities	105,492	127,615
Less: current portion	(25,719)	(25,715)
Operating lease liabilities - non current portion (Note 13)	$ 79,773	$ 101,900