Note 12 - Federal and State Income Taxes (Details) - Reconciliation of the Expected Federal Income Tax Expense (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of the Expected Federal Income Tax Expense [Abstract]
Computed "expected" tax expense	$ 6,844,665	$ 6,174,295	$ 4,899,324
Computed "expected" tax expense	35.00%	35.00%	35.00%
Effect of graduated tax rates interest	(123,868)	(20,775)	(139,981)
Effect of graduated tax rates interest	(0.60%)	(0.10%)	(1.00%)
Tax exempt income, net	(1,790,049)	(1,243,660)	(692,742)
Tax exempt income, net	(9.20%)	(7.00%)	(4.90%)
Bank-owned life insurance	(624,847)	(544,292)	(490,491)
Bank-owned life insurance	(3.20%)	(3.10%)	(3.50%)
State income taxes, net of federal benefit, current year	758,695	730,865	533,250
State income taxes, net of federal benefit, current year	3.90%	4.10%	3.80%
Change in unrecognized tax benefits	37,180	(149,183)	2,074
Change in unrecognized tax benefits	0.20%	(0.80%)
Acquisition costs	248,952
Acquisition costs	1.30%
Noncontrolling interests		(166,081)	(148,995)
Noncontrolling interests		(0.90%)	(1.10%)
Other	(732,786)	(246,568)	(94,240)
Other	(3.80%)	(1.50%)	(0.70%)
	$ 4,617,942	$ 4,534,601	$ 3,868,199
	23.60%	25.70%	27.60%