Note 7 - Premises and Equipment - Major Classifications of Premises and Equipment (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Gross premises and equipment	$ 32,000,302	$ 20,884,380
Less accumulated depreciation	(11,905,141)	(10,277,286)
Net premises and equipment	20,095,161	10,607,094
Land [Member]
Gross premises and equipment	4,575,352	1,377,304
Building and Building Improvements [Member]
Gross premises and equipment	11,985,118	9,649,660
Automobiles [Member]
Gross premises and equipment	52,404	25,115
Furniture and Fixtures [Member]
Gross premises and equipment	12,861,570	9,554,925
Leasehold Improvements [Member]
Gross premises and equipment	$ 2,525,858	$ 277,376

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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