Note 9 - Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Earnings per common share, basic (in shares)	5,763,383	3,501,446	[1],[2]
Earnings per common share, basic	$ 765	$ 597
Earnings per common share, basic (in dollars per share)	$ 0.13	$ 0.17	[1],[2]
Series C Preferred Stock Dividends		$ 204
Convertible preferred stock (in shares)		2,263,040	[1]
Convertible preferred stock (in dollars per share)		$ 0.03	[1]
Dilutive stock options (in shares)	20,190	22,851
Earnings per common share, diluted (in shares)	5,783,573	5,787,337	[1],[2]
Earnings per common share, diluted	$ 765	$ 801
Earnings per common share, diluted (in dollars per share)	$ 0.13	$ 0.14	[1],[2]

[1] Restated for 4% common stock dividend distributed July 11, 2016.

[2] Restated for the 4% stock dividend distributed July 11, 2016