Note 6 - Income Per Common Share (Details) - Income Per Share (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Per Share [Abstract]
Basic Income Per Common Share (in Dollars)	$ 1,227,683	$ 1,369,110	$ 2,282,899	$ 2,123,133
Basic Income Per Common Share	4,265,050	2,731,727	3,718,791	2,735,533
Basic Income Per Common Share (in Dollars per share)	$ 0.29	$ 0.50	$ 0.61	$ 0.78
Effect of Dilutive Securities	72,430	75,197	72,988	72,214
Diluted Income Per Common Share (in Dollars)	$ 1,227,683	$ 1,369,110	$ 2,282,899	$ 2,123,133
Diluted Income Per Common Share	4,337,480	2,806,924	3,791,779	2,807,747
Diluted Income Per Common Share (in Dollars per share)	$ 0.28	$ 0.49	$ 0.60	$ 0.76