Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases (USD $)	Mar. 31, 2014		Dec. 31, 2013
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Nonaccrual loans/leases	$ 17,653,407		$ 17,877,897
Troubled debt restructurings - accruing	11,640,416		13,413,366
Percentage of total nonperforming loans/leases	100.00%		100.00%
Commercial and Industrial [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Accruing past due 90 days or more	4,838
Nonaccrual loans/leases	1,546,133	[1]	1,744,981	[2]
Troubled debt restructurings - accruing	179,695		878,381
Total nonperforming loans/leases	1,730,666		2,623,362
Percentage of total nonperforming loans/leases	9.29%		12.81%
Owner-Occupied Commercial Real Estate [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Accruing past due 90 days or more			60,286
Nonaccrual loans/leases	1,077,377	[1]	1,139,385	[2]
Total nonperforming loans/leases	1,077,377		1,199,671
Percentage of total nonperforming loans/leases	5.78%		5.86%
Commercial Construction, Land Development, and Other Land [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Nonaccrual loans/leases	1,181,269	[1]	1,185,090	[2]
Total nonperforming loans/leases	1,181,269		1,185,090
Percentage of total nonperforming loans/leases	6.34%		5.79%
Non-Owner Occupied Commercial Real Estate [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Nonaccrual loans/leases	10,248,129	[1]	10,320,491	[2]
Troubled debt restructurings - accruing			905,205
Total nonperforming loans/leases	10,248,129		11,225,696
Percentage of total nonperforming loans/leases	55.00%		54.80%
Finance Leases Portfolio Segment [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Accruing past due 90 days or more	735
Nonaccrual loans/leases	1,231,199	[1]	894,458	[2]
Troubled debt restructurings - accruing	89,443
Total nonperforming loans/leases	1,321,377		894,458
Percentage of total nonperforming loans/leases	7.09%		4.37%
Residential Portfolio Segment [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Accruing past due 90 days or more			20,126
Nonaccrual loans/leases	1,496,065	[1]	1,618,483	[2]
Troubled debt restructurings - accruing	347,543		371,995
Total nonperforming loans/leases	1,843,608		2,010,604
Percentage of total nonperforming loans/leases	9.89%		9.82%
Consumer Portfolio Segment [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Accruing past due 90 days or more	2		3,762
Nonaccrual loans/leases	873,235	[1]	975,009	[2]
Troubled debt restructurings - accruing	357,000		367,000
Total nonperforming loans/leases	1,230,237		1,345,771
Percentage of total nonperforming loans/leases	6.60%		6.57%
Total [Member]
Note 3 - Loans/Leases Receivable (Details) - Nonperforming Loans/Leases [Line Items]
Accruing past due 90 days or more	5,575		84,174
Nonaccrual loans/leases	17,653,407	[1]	17,877,897	[2]
Troubled debt restructurings - accruing	973,681		2,522,581
Total nonperforming loans/leases	$ 18,632,663		$ 20,484,652
Percentage of total nonperforming loans/leases	100.00%		100.00%

[1] Nonaccrual loans/leases includes $10,666,735 of troubled debt restructurings, including $75,371 in commercial and industrial loans, $9,862,220 in commercial real estate loans, $70,144 in direct financing leases, $449,525 in residential real estate loans, and $209,475 in installment loans.

[2] Nonaccrual loans/leases includes $10,890,785 of troubled debt restructurings, including $77,072 in commercial and industrial loans, $10,077,501 in commercial real estate loans, $446,996 in residential real estate loans, and $289,216 in installment loans.