Note 10 - Other Borrowings and Unused Lines of Credit (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

	2014		2013
Wholesale structured repurchase agreements	$	130,000,000	$	130,000,000
Term note		17,625,000		9,800,000
Series A subordinated notes		2,657,492		2,648,362
	$	150,282,492	$	142,448,362

Schedule of Wholesale Repurchase Agreements [Table Text Block]

	December 31, 2014					December 31, 2013
			Weighted					Weighted
			Average					Average
			Interest Rate					Interest Rate
	Amount Due		at Year-End			Amount Due		at Year-End
Maturity:
Year ending December 31:
2015	$	5,000,000		2.77	%	$	5,000,000		2.77	%
2016		-		-			-		-
2017		10,000,000		3.00			10,000,000		3.00
2018		10,000,000		3.97			10,000,000		3.97
2019		60,000,000		3.57			60,000,000		3.57
Thereafter		45,000,000		2.66			45,000,000		2.66
Total Wholesale Structured Repurchase Agreements	$	130,000,000		3.21	%	$	130,000,000		3.21	%

Schedule of Maturities of Long-term Debt [Table Text Block]

	2014		2013
2014	$	-	$	3,600,000
2015		4,700,000		3,600,000
2016		4,700,000		3,600,000
2017		4,700,000		-
2018		3,525,000		-
	$	17,625,000	$	10,800,000

Schedule of Line of Credit Facilities [Table Text Block]

	2014		2013
Secured	$	17,050,159	$	26,791,107
Unsecured		329,500,000		324,500,000
	$	346,550,159	$	351,291,107