Note 7 - Premises and Equipment - Major Classifications of Premises and Equipment (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Gross premises and equipment	$ 32,200,204	$ 32,000,302
Less accumulated depreciation	(13,035,708)	(11,905,141)
Net premises and equipment	19,164,496	20,095,161
Land [Member]
Gross premises and equipment	4,360,353	4,575,352
Building and Building Improvements [Member]
Gross premises and equipment	11,907,331	11,985,118
Automobiles [Member]
Gross premises and equipment	52,404	52,404
Furniture and Fixtures [Member]
Gross premises and equipment	13,485,163	12,861,570
Leasehold Improvements [Member]
Gross premises and equipment	$ 2,394,953	$ 2,525,858

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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