Note 18 - Average Share Information (Details) - Reconciliation of Denominators of the Basic and Diluted Net Income Per Share - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic net income per common share
Net income applicable to common shareholders		$ 2,040	$ 2,027	$ 4,772	$ 4,055
Undistributed earnings allocated to participating securities		(6)	(16)	(19)	(35)
Net income allocated to common shareholders		$ 2,034	$ 2,011	$ 4,753	$ 4,021
Weighted average basic common shares (in Shares)		12,732,694	12,690,287	12,724,379	12,682,813
Dilutive potential common shares (1) (in Shares)	[1]	155,518	54,644	145,867	43,682
Weighted average diluted common shares (in Shares)		12,888,212	12,744,931	12,870,246	12,726,495
Diluted net income per common share (in Dollars per share)		$ 0.16	$ 0.16	$ 0.37	$ 0.32
Net income allocated to common shareholders		$ 2,034	$ 2,011	$ 4,753	$ 4,020
Basic net income per common share (in Dollars per share)		$ 0.16	$ 0.16	$ 0.37	$ 0.32

[1] Includes dilutive impact of stock options, as applicable