Note 13 - Employee Benefit Plans (Details) - Deferred Compensation Agreements (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred Compensation Agreements [Abstract]
Balance, beginning	$ 5,151,630	$ 4,202,733	$ 3,469,525
Balance, ending	6,224,368	5,151,630	4,202,733
Company expense	557,663	555,407	414,478
Employee deferrals	525,469	405,788	381,616
Cash payments made	$ (10,394)	$ (12,298)	$ (62,886)