Note 11 - Deposits - Summary of Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Noninterest checking	$ 142,788	$ 99,799
Noninterest checking, weighted average rate	0.00%	0.00%
Interest bearing checking	$ 105,115	$ 99,255
Interest bearing checking, weighted average rate	0.03%	0.03%
Savings	$ 108,234	$ 88,603
Savings, weighted average rate	0.05%	0.05%
Money market	$ 108,050	$ 89,558
Money market, weighted average rate	0.30%	0.17%
Time Deposits, Total	$ 162,424	$ 143,349
Time certificates of deposits, weighted average rate	1.31%	0.96%
Total deposits	$ 626,611	$ 520,564
Weighted average rate	0.41%	0.31%