Note 11 - Interest-bearing Deposits - Scheduled Maturities of Time Deposits of $250 Thousand or More (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Three months or less	$ 9,144
Over three months through six months	5,405
Over six months through twelve months	5,583
Over twelve months	35,740
Total certificates of deposit of $250 thousand or more	$ 55,872