Note 6 - Income Per Common Share (Details) - Income Per Share (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Per Share [Abstract]
Basic Income (Loss) Per Common Share (in Dollars)	$ 1,147,356	$ (915,718)	$ 3,270,489	$ (416,176)
Basic Income (Loss) Per Common Share	2,732,431	2,717,789	2,734,487	2,712,446
Basic Income (Loss) Per Common Share (in Dollars per share)	$ 0.42	$ (0.34)	$ 1.20	$ (0.15)
Effect of Dilutive Securities	87,377		78,072
Diluted Income (Loss) Per Common Share (in Dollars)	$ 1,147,356	$ (915,718)	$ 3,270,489	$ (416,176)
Diluted Income (Loss) Per Common Share	2,819,808	2,717,789	2,812,559	2,712,446
Diluted Income (Loss) Per Common Share (in Dollars per share)	$ 0.41	$ (0.34)	$ 1.16	$ (0.15)