Note 8 - Deposits - Summary of Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Noninterest checking	$ 200,035	$ 142,788
Noninterest checking, weighted average rate	0.00%	0.00%
Interest bearing checking	$ 116,397	$ 105,115
Interest bearing checking, weighted average rate	0.03%	0.03%
Savings	$ 126,991	$ 108,234
Savings, weighted average rate	0.08%	0.05%
Money market	$ 132,506	$ 108,050
Money market, weighted average rate	0.42%	0.30%
Time Deposits, Total	$ 233,064	$ 162,424
Time certificates of deposits, weighted average rate	1.70%	1.31%
Total deposits	$ 808,993	$ 626,611
Weighted average rate	0.55%	0.41%