Note 14 - Commitments and Contingencies (Details Textual)	12 Months Ended
	Dec. 31, 2019 USD ($)
Lessee, Operating Lease, Discount Rate	6.00%
Operating Lease, Right-of-Use Asset, Amortization Expense	$ 98,800
Operating Lease, Payments	106,900
Prepaid Expenses and Other Assets [Member]
Operating Lease, Right-of-Use Asset	203,618
Accrued Expenses and Other Liabilities [Member]
Operating Lease, Liability, Total	$ 203,618