Note 12 - Commitments and Contingencies - Lease Expenses (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)
Amortization of ROU assets
Interest on lease liabilities
Operating lease cost	64,092
Sublease income	(28,405)
Total lease costs from continuing operations	35,687
Total lease costs from discontinued operations	64,901
Total lease costs	$ 100,588