Note 4 - Deposits - Maturities of Certificates (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Within one year or less	$ 190,613	$ 241,127
After one year through two years	62,920	42,274
After two years through three years	25,020	11,167
After three years through four years	7,769	6,593
After four years through five years	7,218	6,919
After five years	0	0
Time Deposits, Total	$ 293,540	$ 308,080