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Note 7 - Supplemental Disclosures of Cash Flow Information - Supplemental Disclosures of Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Cash payments for:    
Interest $ 731 $ 724
Taxes (net of refunds received) 705 1,430
Noncash investing activities:    
Transfers from loans to real estate acquired through foreclosure 176 416
Proceeds from sales of foreclosed real estate financed through loans $ 15