Note 6 - Bank Premises and Equipment Subsequent Event - Property, Plant, and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, plant, and equipment, gross	$ 28,027	$ 26,181
Accumulated depreciation	(13,602)	(15,793)
Net	14,425	10,388
Land [Member]
Property, plant, and equipment, gross	3,383	2,757
Building and Building Improvements [Member]
Property, plant, and equipment, gross	10,865	7,968
Furniture and Fixtures [Member]
Property, plant, and equipment, gross	10,178	10,231
Leasehold Improvements [Member]
Property, plant, and equipment, gross	$ 3,601	$ 5,225

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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