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Note 7 - Supplemental Disclosures of Cash Flow Information - Supplemental Disclosures of Cash Flow Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash payments for:    
Interest $ 1,123 $ 1,072
Taxes (net of refunds received) 1,232 2,534
Noncash investing activities:    
Transfers from loans to real estate acquired through foreclosure 176 471
Proceeds from sales of foreclosed real estate financed through loans $ 15