Note 9 - Other Borrowings and Unused Lines of Credit (Details) - Other Borrowings (USD $)	Dec. 31, 2013	Dec. 31, 2012
Note 9 - Other Borrowings and Unused Lines of Credit (Details) - Other Borrowings [Line Items]
Other borrowings	$ 142,448,362	$ 138,239,762
Wholesale Repurchase Agreements [Member]
Note 9 - Other Borrowings and Unused Lines of Credit (Details) - Other Borrowings [Line Items]
Other borrowings	130,000,000	130,000,000
Term Note [Member]
Note 9 - Other Borrowings and Unused Lines of Credit (Details) - Other Borrowings [Line Items]
Other borrowings	9,800,000
364-day Revolving Note [Member]
Note 9 - Other Borrowings and Unused Lines of Credit (Details) - Other Borrowings [Line Items]
Other borrowings		5,600,000
Series A Subordinated Notes [Member]
Note 9 - Other Borrowings and Unused Lines of Credit (Details) - Other Borrowings [Line Items]
Other borrowings	$ 2,648,362	$ 2,639,762