Note 8 - Other Borrowings and Unused Lines of Credit (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Debt [Table Text Block]

	2012		2011
Wholesale structured repurchase agreements	$	130,000,000	$	130,000,000
364-day revolving note		5,600,000		3,600,000
Series A subordinated notes		2,639,762		2,631,663
	$	138,239,762	$	136,231,663

Schedule of Wholesale Repurchase Agreements [Table Text Block]

	December 31, 2012					December 31, 2011
	Amount Due		Weighted Average Interest Rate at Year-End			Amount Due		Weighted Average Interest Rate at Year-End
Maturity:
Year ending December 31:
2015	$	35,000,000		3.00	%	$	45,000,000		3.11	%
2016		20,000,000		3.46			35,000,000		3.67
2017		10,000,000		3.00			10,000,000		3.00
Thereafter		65,000,000		3.71			40,000,000		4.03
Total Wholesale Structured Repurchase Agreements	$	130,000,000		3.43		$	130,000,000		3.54

Schedule of Unused Lines of Credit [Table Text Block]

	2012		2011
Secured	$	52,703,791	$	72,929,607
Unsecured		259,000,000		152,500,000
	$	311,703,791	$	225,429,607