Note 16 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%
Operating Loss Carryforwards, Total	$ 787,500	$ 840,001
Deferred Tax Assets, Valuation Allowance, Total	788,000
Unrecognized Tax Benefits, Ending Balance	0	$ 0
Bank 34 [Member]
Deferred Tax Assets Acquired Losses	250,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards, Total	$ 3,800,000
Operating Loss Carry Forwards, Expiration Year	2028