Note 6 - Income Per Common Share (Details) - Income Per Share (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Per Share [Abstract]
Basic Income Per Common Share (in Dollars)	$ 1,360,483	$ 1,147,356	$ 3,643,382	$ 3,270,489
Basic Income Per Common Share	4,278,733	2,732,431	3,907,490	2,734,487
Basic Income Per Common Share (in Dollars per share)	$ 0.32	$ 0.42	$ 0.93	$ 1.20
Effect of Dilutive Securities	66,301	87,377	70,814	78,072
Diluted Income Per Common Share (in Dollars)	$ 1,360,483	$ 1,147,356	$ 3,643,382	$ 3,270,489
Diluted Income Per Common Share	4,345,034	2,819,808	3,978,304	2,812,559
Diluted Income Per Common Share (in Dollars per share)	$ 0.31	$ 0.41	$ 0.92	$ 1.16