Note 20 - Fair Value (Details) - Assets Measured at Fair Value on a Recurring Basis (USD $)	Dec. 31, 2013	Dec. 31, 2012
Securities available for sale:
Securities available for sale	$ 551,758,458	$ 530,159,986
Assets measured on a non-recurring basis	19,516,934	22,325,135
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Securities available for sale	356,472,987	338,609,371
US Government Agencies Debt Securities [Member]
Securities available for sale:
Securities available for sale	356,472,987	338,609,371
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Securities available for sale	157,429,451	163,601,103
Residential Mortgage Backed Securities [Member]
Securities available for sale:
Securities available for sale	157,429,451	163,601,103
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Securities available for sale	35,958,857	26,185,736
US States and Political Subdivisions Debt Securities [Member]
Securities available for sale:
Securities available for sale	35,958,857	26,185,736
Equity Securities, Other [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale:
Securities available for sale	317,698	234,453
Equity Securities, Other [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Securities available for sale	1,579,465	1,389,923
Equity Securities, Other [Member]
Securities available for sale:
Securities available for sale	1,897,163	1,624,376
Trust Preferred Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Securities available for sale		139,400
Trust Preferred Securities [Member]
Securities available for sale:
Securities available for sale		139,400
Impaired Loans/Leases [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale:
Assets measured on a non-recurring basis	9,009,557	18,054,234
Impaired Loans/Leases [Member]
Securities available for sale:
Assets measured on a non-recurring basis	9,009,557	18,054,234
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale:
Assets measured on a non-recurring basis	10,507,377	4,270,901
Other Real Estate Owned [Member]
Securities available for sale:
Assets measured on a non-recurring basis	10,507,377	4,270,901
Fair Value, Inputs, Level 1 [Member]
Securities available for sale:
Securities available for sale	317,698	234,453
Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Securities available for sale	551,440,760	529,925,533
Fair Value, Inputs, Level 3 [Member]
Securities available for sale:
Assets measured on a non-recurring basis	$ 19,516,934	$ 22,325,135