Note 12 - Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Earnings per common share, basic (in shares)	4,652,853	3,432,457	[1]
Earnings per common share, basic	$ 2,111	$ 2,714
Earnings per common share, basic (in dollars per share)	$ 0.45	$ 0.79	[1]
Series C Preferred Stock Dividends	$ 408	$ 840
Convertible preferred stock (in shares)	1,112,970	2,324,129
Convertible preferred stock (in dollars per share)	$ (0.08)	$ (0.17)
Dilutive stock options (in shares)	10,469
Earnings per common share, diluted (in shares)	5,776,292	5,756,586	[1]
Earnings per common share, diluted	$ 2,111	$ 3,554
Earnings per common share, diluted (in dollars per share)	$ 0.37	$ 0.62	[1]

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