Note 15 - Average Share Information (Details) - Reconciliation of Denominators of the Basic and Diluted Net Income per Share (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Reconciliation of Denominators of the Basic and Diluted Net Income per Share [Abstract]
Weighted average common shares outstanding - basic	12,652,355	12,638,160	12,651,565	12,637,990
Dilutive impact resulting from potential common share issuances	85,014	0	58,055	0
Weighted average common shares outstanding - diluted	12,737,369	12,638,160	12,709,620	12,637,990
Per share data
Net income (loss) - basic (in Dollars per share)	$ 0.12	$ (0.57)	$ 0.29	$ (0.61)
Net income (loss) - diluted (in Dollars per share)	$ 0.12	$ (0.57)	$ 0.29	$ (0.61)