Note 6 - Premises and Equipment - Components of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Land and land improvements	$ 5,297	$ 4,771
Leasehold improvements	134	56
Office buildings	13,136	12,632
Furniture, fixtures and equipment	5,723	5,662
	24,290	23,121
Less accumulated depreciation	9,449	9,185
Totals	$ 14,841	$ 13,936