Note 20 - Fair Value (Details) - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities (USD $)	Dec. 31, 2013	Dec. 31, 2012
Note 20 - Fair Value (Details) - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities [Line Items]
Cash and due from banks	$ 41,950,790	$ 61,568,446
Federal funds sold	39,435,000	26,560,000
Interest-bearing deposits at financial institutions	33,044,917	22,359,490
Investment securities:
Held to maturity	145,451,895
Held to maturity	138,640,105	73,005,706
Available for sale	551,758,458	530,159,986
Deposits:
Deposits	1,646,991,243	1,374,114,100
Federal Home Loan Bank advances	231,350,000	202,350,000
Other borrowings	142,448,362	138,239,762
Nonmaturity Deposits [Member] | Fair Value, Inputs, Level 2 [Member]
Deposits:
Deposits	1,256,209,352	1,039,572,326
Deposits, fair value	1,256,209,352	1,039,572,326
Time Deposits [Member] | Fair Value, Inputs, Level 2 [Member]
Deposits:
Deposits	390,781,891	334,541,774
Deposits, fair value	394,202,000	337,343,000
Fair Value, Inputs, Level 1 [Member]
Note 20 - Fair Value (Details) - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities [Line Items]
Cash and due from banks	41,950,790	61,568,446
Cash and due from banks	41,950,790	61,568,446
Interest-bearing deposits at financial institutions	41,950,790	61,568,446
Investment securities:
Available for sale	317,698	234,453
Fair Value, Inputs, Level 2 [Member]
Note 20 - Fair Value (Details) - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities [Line Items]
Federal funds sold	39,435,000	26,560,000
Federal funds sold	39,435,000	26,560,000
Investment securities:
Available for sale	551,440,760	529,925,533
Loans/leases receivable, net	1,430,489,328	1,250,745,552
Loans/leases receivable, net, fair value	1,441,952,443	1,262,090,766
Deposits:
Short-term borrowings	149,292,967	171,082,961
Short-term borrowings	149,292,967	171,082,961
Federal Home Loan Bank advances	231,350,000	202,350,000
Federal Home Loan Bank advances	241,623,000	220,815,000
Other borrowings	142,448,362	138,239,762
Other borrowings	152,761,000	154,101,000
Junior subordinated debentures	40,289,830	36,085,000
Junior subordinated debentures	28,094,228	18,786,000
Fair Value, Inputs, Level 3 [Member]
Investment securities:
Held to maturity	145,451,895	72,079,385
Held to maturity	138,640,105	73,005,706
Loans/leases receivable, net	8,342,182	16,716,883
Loans/leases receivable, net, fair value	9,009,557	18,054,234
Interest-bearing Deposits [Member] | Fair Value, Inputs, Level 2 [Member]
Note 20 - Fair Value (Details) - Carrying Values and Estimated Fair Values of Financial Assets and Liabilities [Line Items]
Cash and due from banks	33,044,917	22,359,490
Interest-bearing deposits at financial institutions	33,044,917	22,359,490
Interest-bearing deposits at financial institutions	$ 33,044,917	$ 22,359,490