Note 6 - Income Per Common Share (Detail) - Income Per Share (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Available to Common Stockholders (in Dollars)	$ 754,023	$ 553,331
Average Common Shares Outstandng	2,739,351	2,707,192
Per Common Share (in Dollars per share)	$ 0.28	$ 0.20
Average Common Shares Outstanding	227,977	124,147
Income Available to Common Stockholders (in Dollars)	$ 754,023	$ 553,331
Average Common Shares Outstanding	2,967,328	2,831,339
Per Common Share (in Dollars per share)	$ 0.25	$ 0.20