Note 4 - Loans/Leases Receivable (Details) - Troubled Debt Restructurings, 6 Months Ended (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
CONCESSION - Extension of maturity
Number of Loans/Leases	4	8	5
Pre-Modification Recorded Investment	$ 959,708	$ 1,817,160	$ 721,282
Post-Modification Recorded Investment	959,708	1,817,160	721,282
Specific Allowance	5,585,124	5,585,124		4,587,769
Troubled Debt Restructurings [Member] | Commercial and Industrial [Member]
CONCESSION - Extension of maturity
Specific Allowance	188,700	188,700
Troubled Debt Restructurings [Member]
CONCESSION - Extension of maturity
Specific Allowance	188,700	188,700
Extension of Maturity [Member] | Commercial and Industrial [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases		3
Pre-Modification Recorded Investment		809,494
Post-Modification Recorded Investment		809,494
Extension of Maturity [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases		3
Pre-Modification Recorded Investment		809,494
Post-Modification Recorded Investment		809,494
Significant Payment Delay [Member] | Troubled Debt Restructurings [Member]
CONCESSION - Extension of maturity
Specific Allowance			144,000
Significant Payment Delay [Member] | Owner-occupied commercial real estate [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases		1
Pre-Modification Recorded Investment		47,958
Post-Modification Recorded Investment		47,958
Significant Payment Delay [Member] | Residential Real Estate [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases	1	1
Pre-Modification Recorded Investment	91,581	91,581
Post-Modification Recorded Investment	91,581	91,581
Significant Payment Delay [Member] | Installment and Other Consumer [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases	1	1
Pre-Modification Recorded Investment	370,000	370,000
Post-Modification Recorded Investment	370,000	370,000
Significant Payment Delay [Member] | Commercial construction, land development, and other land [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases			2
Pre-Modification Recorded Investment			200,000
Post-Modification Recorded Investment			200,000
Significant Payment Delay [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases	2	3	2
Pre-Modification Recorded Investment	461,581	509,539	200,000
Post-Modification Recorded Investment	461,581	509,539	200,000
Interest Rate Adjusted Below Market [Member] | Residential Real Estate [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases	1	1	1
Pre-Modification Recorded Investment	160,627	160,627	167,739
Post-Modification Recorded Investment	160,627	160,627	167,739
Interest Rate Adjusted Below Market [Member] | Installment and Other Consumer [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases			1
Pre-Modification Recorded Investment			16,043
Post-Modification Recorded Investment			16,043
Interest Rate Adjusted Below Market [Member] | Commercial construction, land development, and other land [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases	1	1	1
Pre-Modification Recorded Investment	337,500	337,500	337,500
Post-Modification Recorded Investment	337,500	337,500	337,500
Interest Rate Adjusted Below Market [Member]
CONCESSION - Extension of maturity
Number of Loans/Leases	2	2	3
Pre-Modification Recorded Investment	498,127	498,127	521,282
Post-Modification Recorded Investment	498,127	498,127	521,282
Troubled Debt Restructurings [Member]
CONCESSION - Extension of maturity
Specific Allowance			144,000
Commercial and Industrial [Member]
CONCESSION - Extension of maturity
Specific Allowance	1,039,328	1,039,328		280,170
Owner-occupied commercial real estate [Member]
CONCESSION - Extension of maturity
Specific Allowance	400,000	400,000
Residential Real Estate [Member]
CONCESSION - Extension of maturity
Specific Allowance	90,235	90,235		105,565
Installment and Other Consumer [Member]
CONCESSION - Extension of maturity
Specific Allowance	35,927	35,927		71,992
Commercial construction, land development, and other land [Member]
CONCESSION - Extension of maturity
Specific Allowance	$ 1,428,466	$ 1,428,466		$ 1,105,795