Note 6 - Income Per Common Share (Details) - Income Per Share (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Per Share [Abstract]
Basic Income Per Common Share (in Dollars)	$ 1,369,110	$ (53,789)	$ 2,123,133	$ 499,542
Basic Income Per Common Share	2,731,727	2,712,297	2,735,533	2,709,744
Basic Income Per Common Share (in Dollars per share)	$ 0.50	$ (0.02)	$ 0.78	$ 0.18
Effect of Dilutive Securities	75,197	164,447	72,214	156,123
Diluted Income Per Common Share (in Dollars)	$ 1,369,110	$ (53,789)	$ 2,123,133	$ 499,542
Diluted Income Per Common Share	2,806,924	2,876,744	2,807,747	2,865,867
Diluted Income Per Common Share (in Dollars per share)	$ 0.49	$ (0.02)	$ 0.76	$ 0.17