Note 15 - Income Taxes (Details Textual) - USD ($)		12 Months Ended
	Dec. 22, 2017	Dec. 31, 2018	Dec. 31, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%	34.00%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ 1,200,000
Operating Loss Carryforwards, Total		$ 840,001	$ 1,014,199
Unrecognized Tax Benefits, Ending Balance		0	$ 0
Bank 34 [Member]
Deferred Tax Assets Acquired Losses		250,000
Deferred Tax Assets, Valuation Allowance, Total		840,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards, Total		$ 4,000,000
Operating Loss Carry Forwards, Expiration Year		2028