Note 13 - Earnings Per Share - Summary of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Income Available to Common Stockholders	$ 2,695	$ 2,622	$ 8,952	$ 6,961
Weighted Average Basic Shares Outstanding (in shares)	8,439,415	8,439,258	8,439,310	8,439,258
Restricted Stock (in shares)	6,000		6,000
Stock Warrants (in shares)		191,000	127,000	193,000
Weighted-Average Number of Shares Outstanding for Diluted Earnings Per Common Share (in shares)	8,444,816	8,629,523	8,571,516	8,631,566
Earnings Per Share - Basic (in dollars per share)	$ 0.32	$ 0.31	$ 1.06	$ 0.82
Earnings Per Share - Diluted (in dollars per share)	$ 0.32	$ 0.30	$ 1.04	$ 0.81