Note 7 - Premises and Equipment - Components of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Premises and equipment	$ 29,758	$ 29,890
Less: accumulated depreciation and amortization	(16,639)	(15,142)
Premises and equipment, net	13,119	14,748
Land [Member]
Premises and equipment	2,063	2,063
Land Improvements [Member]
Premises and equipment	241	241
Bank Buildings [Member]
Premises and equipment	13,076	12,976
Furniture, Fixtures and Equipment [Member]
Premises and equipment	12,682	12,639
Software and Software Development Costs [Member]
Premises and equipment	1,624	1,634
Assets Not Yet Placed in Service [Member]
Premises and equipment	$ 72	$ 337

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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