Note 3 - Securities (Details) - Securities in a Continuous Unrealized Loss Position (USD $)	Sep. 30, 2014	Dec. 31, 2013
Note 3 - Securities (Details) - Securities in a Continuous Unrealized Loss Position [Line Items]
Securities, continuous unrealized loss position, less than 12 months, fair value	$ 12,773,380	$ 67,267,038
Securities, continuous unrealized loss position, less than 12 months, unrealized losses	(69,572)	(3,105,944)
Securities, continuous unrealized loss position, 12 months or more, fair value	56,555,858	18,445,029
Securities, continuous unrealized loss position, 12 months or more, unrealized losses	(1,905,314)	(1,175,710)
Securities, continuous unrealized loss position, fair value	69,329,238	85,712,067
Securities, continuous unrealized loss position, unrealized losses	(1,974,886)	(4,281,654)
Equity Securities [Member]
Note 3 - Securities (Details) - Securities in a Continuous Unrealized Loss Position [Line Items]
Securities, continuous unrealized loss position, 12 months or more, fair value	32,629	29,014
Securities, continuous unrealized loss position, 12 months or more, unrealized losses	(15,298)	(18,913)
Securities, continuous unrealized loss position, fair value	32,629	29,014
Securities, continuous unrealized loss position, unrealized losses	(15,298)	(18,913)
US Government Agencies Debt Securities [Member]
Note 3 - Securities (Details) - Securities in a Continuous Unrealized Loss Position [Line Items]
Securities, continuous unrealized loss position, less than 12 months, fair value		24,731,730
Securities, continuous unrealized loss position, less than 12 months, unrealized losses		(916,208)
Securities, continuous unrealized loss position, 12 months or more, fair value	16,266,771	7,029,657
Securities, continuous unrealized loss position, 12 months or more, unrealized losses	(593,261)	(521,270)
Securities, continuous unrealized loss position, fair value	16,266,771	31,761,387
Securities, continuous unrealized loss position, unrealized losses	(593,261)	(1,437,478)
US States and Political Subdivisions Debt Securities [Member]
Note 3 - Securities (Details) - Securities in a Continuous Unrealized Loss Position [Line Items]
Securities, continuous unrealized loss position, less than 12 months, fair value	1,560,280	10,460,662
Securities, continuous unrealized loss position, less than 12 months, unrealized losses	(3,087)	(534,440)
Securities, continuous unrealized loss position, 12 months or more, fair value	6,485,567	1,701,215
Securities, continuous unrealized loss position, 12 months or more, unrealized losses	(126,839)	(125,581)
Securities, continuous unrealized loss position, fair value	8,045,847	12,161,877
Securities, continuous unrealized loss position, unrealized losses	(129,926)	(660,021)
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 3 - Securities (Details) - Securities in a Continuous Unrealized Loss Position [Line Items]
Securities, continuous unrealized loss position, less than 12 months, fair value	11,213,100	32,074,646
Securities, continuous unrealized loss position, less than 12 months, unrealized losses	(66,485)	(1,655,296)
Securities, continuous unrealized loss position, 12 months or more, fair value	33,770,891	9,685,143
Securities, continuous unrealized loss position, 12 months or more, unrealized losses	(1,169,916)	(509,946)
Securities, continuous unrealized loss position, fair value	44,983,991	41,759,789
Securities, continuous unrealized loss position, unrealized losses	$ (1,236,401)	$ (2,165,242)