Note 11 - Deposits - Summary of Deposits (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Noninterest checking	$ 82,877	$ 77,031
Noninterest checking	0.00%	0.00%
Interest bearing checking	$ 93,163	$ 87,350
Interest bearing checking	0.03%	0.03%
Savings	$ 82,266	$ 71,474
Savings	0.04%	0.04%
Money market	$ 89,211	$ 94,880
Money market	0.11%	0.12%
Time Deposits	$ 165,278	$ 152,447
Time certificates of deposits	0.84%	0.92%
Deposits	$ 512,795	$ 483,182
Total	0.30%	0.32%