Note 13 -Federal and State Income Taxes (Details) - Deferred Tax Assets (Liabilities) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Alternative minimum tax credits	$ 5,475,062	$ 5,018,008
New markets tax credits	2,700,000	2,100,000
Net unrealized losses on securities available for sale and derivative instruments	1,268,068	1,186,544
Compensation	8,687,856	8,266,896
Loan/lease losses	8,802,271	7,393,437
Net operating loss carryforwards, federal and state	2,069,093	2,415,284
Other	452,854	496,444
	29,455,204	26,876,613
Deferred tax liabilities:
Premises and equipment	1,173,966	1,216,080
Equipment financing leases	25,059,159	24,701,676
Acquisition fair value adjustments	1,755,874	1,774,157
Investment accretion	44,462	45,580
Deferred loan origination fees, net	137,461
Other	678,227	619,121
	28,849,149	28,356,614
Net deferred tax asset (liability)	$ 606,055	$ (1,480,001)