Note 16 - Average Share Information (Details) - Reconciliation of Denominators of the Basic and Diluted Net Income per Share (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reconciliation of Denominators of the Basic and Diluted Net Income per Share [Abstract]
Weighted average common shares outstanding - basic	12,663,162	12,640,517	12,655,473	12,638,838
Dilutive impact resulting from potential common share issuances	77,751	0	60,896	0
Weighted average common shares outstanding - diluted	12,740,913	12,640,517	12,716,369	12,638,838
Per share data
Net income (loss) - basic (in Dollars per share)	$ 1.76	$ 0.25	$ 2.05	$ (0.36)
Net income (loss) - diluted (in Dollars per share)	$ 1.75	$ 0.25	$ 2.04	$ (0.36)