Note 7 - Premises and Equipment - Premises and Equipment (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Premise and Equipment, Gross	$ 51,539,534	$ 50,375,861
Accumulated Depreciation	(22,708,262)	(22,736,431)
	28,831,272	27,639,430
Land [Member]
Premise and Equipment, Gross	10,934,885	9,668,722
Building [Member]
Premise and Equipment, Gross	26,544,689	26,893,354
Furniture and Fixtures [Member]
Premise and Equipment, Gross	12,782,042	13,090,366
Leasehold Improvements [Member]
Premise and Equipment, Gross	696,529	655,166
Construction in Progress [Member]
Premise and Equipment, Gross	$ 581,389	$ 68,253

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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