Note 3 - Loans/Leases Receivable (Details) - Impaired Loans/Leases - Nine Months Ending (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Dec. 31, 2013
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	$ 10,374,176		$ 10,374,176	$ 6,757,674
Unpaid Principal Balance - No Allowance Recorded	10,762,039		10,762,039	7,057,203
Average Recorded Investment - No Allowance Recorded	9,655,172	9,626,276	8,788,363
Interest Income Recognized - No Allowance Recorded	18,559	3,993	35,916
Interest Income Recognized For Cash Payments Received - No Allowance Recorded	18,559	3,993	35,916
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	16,923,039		16,923,039	12,322,746
Unpaid Principal Balance - Allowance Recorded	18,400,023		18,400,023	13,838,755
Related Allowance - Allowance Recorded	5,480,762		5,480,762	5,008,822
Average Recorded Investment - Allowance Recorded	12,693,484	15,043,921	10,485,004
Interest Income Recognized - Allowance Recorded	2,186	38,617	4,744
Interest Income Recognized For Cash Payments Received - Allowance Recorded	2,186	38,617	4,744
Total Impaired Loans/Leases:
Recorded Investment	27,297,215		27,297,215	19,080,420
Unpaid Principal Balance	29,162,062		29,162,062	20,895,958
Related Allowance	5,480,762		5,480,762	5,008,822
Average Recorded Investment	22,348,656	24,670,197	19,273,367
Interest Income Recognized	20,745	42,610	40,660
Interest Income Recognized For Cash Payments Received	20,745	42,610	40,660
Commercial and Industrial [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	560,005		560,005	492,622
Unpaid Principal Balance - No Allowance Recorded	667,983		667,983	568,951
Average Recorded Investment - No Allowance Recorded	621,836	834,405	647,016
Interest Income Recognized - No Allowance Recorded	17,855	1,950	19,754
Interest Income Recognized For Cash Payments Received - No Allowance Recorded	17,855	1,950	19,754
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	7,698,676		7,698,676	1,269,228
Unpaid Principal Balance - Allowance Recorded	8,464,069		8,464,069	1,956,755
Related Allowance - Allowance Recorded	2,204,926		2,204,926	927,453
Average Recorded Investment - Allowance Recorded	3,454,429	1,913,841	1,702,548
Interest Income Recognized - Allowance Recorded		9,340
Interest Income Recognized For Cash Payments Received - Allowance Recorded		9,340
Total Impaired Loans/Leases:
Recorded Investment	8,258,681		8,258,681	1,761,850
Unpaid Principal Balance	9,132,052		9,132,052	2,525,706
Related Allowance	2,204,926		2,204,926	927,453
Average Recorded Investment	4,076,265	2,748,246	2,349,564
Interest Income Recognized	17,855	11,290	19,754
Interest Income Recognized For Cash Payments Received	17,855	11,290	19,754
Owner-Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	760,586		760,586	392,542
Unpaid Principal Balance - No Allowance Recorded	873,808		873,808	392,542
Average Recorded Investment - No Allowance Recorded	751,191	2,295,969	536,402
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	439,701		439,701	159,247
Unpaid Principal Balance - Allowance Recorded	439,701		439,701	159,247
Related Allowance - Allowance Recorded	143,453		143,453	67,498
Average Recorded Investment - Allowance Recorded	439,701	1,181,798	282,878
Total Impaired Loans/Leases:
Recorded Investment	1,200,287		1,200,287	551,789
Unpaid Principal Balance	1,313,509		1,313,509	551,789
Related Allowance	143,453		143,453	67,498
Average Recorded Investment	1,190,892	3,477,767	819,280
Commercial Construction, Land Development, and Other Land [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	1,385,356		1,385,356	1,943,168
Unpaid Principal Balance - No Allowance Recorded	1,496,556		1,496,556	2,054,368
Average Recorded Investment - No Allowance Recorded	1,397,733	1,943,718	1,615,643
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	794,703		794,703	888,547
Unpaid Principal Balance - Allowance Recorded	806,703		806,703	1,011,747
Related Allowance - Allowance Recorded	457,086		457,086	503,825
Average Recorded Investment - Allowance Recorded	796,194	1,897,759	801,643
Interest Income Recognized - Allowance Recorded		1,992
Interest Income Recognized For Cash Payments Received - Allowance Recorded		1,992
Total Impaired Loans/Leases:
Recorded Investment	2,180,059		2,180,059	2,831,715
Unpaid Principal Balance	2,303,259		2,303,259	3,066,115
Related Allowance	457,086		457,086	503,825
Average Recorded Investment	2,193,927	3,841,477	2,417,286
Interest Income Recognized		1,992
Interest Income Recognized For Cash Payments Received		1,992
Non-Owner Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	4,989,393		4,989,393	1,790,279
Unpaid Principal Balance - No Allowance Recorded	5,044,816		5,044,816	1,902,279
Average Recorded Investment - No Allowance Recorded	4,051,261	1,739,053	3,169,784
Interest Income Recognized - No Allowance Recorded		354	13,283
Interest Income Recognized For Cash Payments Received - No Allowance Recorded		354	13,283
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	6,061,267		6,061,267	7,783,132
Unpaid Principal Balance - Allowance Recorded	6,760,858		6,760,858	8,488,414
Related Allowance - Allowance Recorded	1,872,961		1,872,961	2,603,381
Average Recorded Investment - Allowance Recorded	6,034,473	8,893,535	5,971,713
Interest Income Recognized - Allowance Recorded		26,484
Interest Income Recognized For Cash Payments Received - Allowance Recorded		26,484
Total Impaired Loans/Leases:
Recorded Investment	11,050,660		11,050,660	9,573,411
Unpaid Principal Balance	11,805,674		11,805,674	10,390,693
Related Allowance	1,872,961		1,872,961	2,603,381
Average Recorded Investment	10,085,734	10,632,588	9,141,497
Interest Income Recognized		26,838	13,283
Interest Income Recognized For Cash Payments Received		26,838	13,283
Finance Leases Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	1,109,844		1,109,844	557,469
Unpaid Principal Balance - No Allowance Recorded	1,109,884		1,109,884	557,469
Average Recorded Investment - No Allowance Recorded	1,152,456	527,153	966,959
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	559,873		559,873	336,989
Unpaid Principal Balance - Allowance Recorded	559,873		559,873	336,989
Related Allowance - Allowance Recorded	165,617		165,617	192,847
Average Recorded Investment - Allowance Recorded	578,317	172,428	425,472
Total Impaired Loans/Leases:
Recorded Investment	1,669,717		1,669,717	894,458
Unpaid Principal Balance	1,669,757		1,669,757	894,458
Related Allowance	165,617		165,617	192,847
Average Recorded Investment	1,730,773	699,581	1,392,431
Residential Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	1,113,535		1,113,535	1,071,927
Unpaid Principal Balance - No Allowance Recorded	1,113,535		1,113,535	1,071,927
Average Recorded Investment - No Allowance Recorded	564,278	561,752	1,332,539
Interest Income Recognized - No Allowance Recorded	1,296	801	2,879
Interest Income Recognized For Cash Payments Received - No Allowance Recorded	1,296	801	2,879
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	546,187		546,187	1,044,820
Unpaid Principal Balance - Allowance Recorded	546,187		546,187	1,044,820
Related Allowance - Allowance Recorded	129,859		129,859	246,266
Average Recorded Investment - Allowance Recorded	1,186,197	1,273,943	520,782
Interest Income Recognized - Allowance Recorded	704		2,074
Interest Income Recognized For Cash Payments Received - Allowance Recorded	704		2,074
Total Impaired Loans/Leases:
Recorded Investment	1,659,722		1,659,722	2,116,747
Unpaid Principal Balance	1,659,722		1,659,722	2,116,747
Related Allowance	129,859		129,859	246,266
Average Recorded Investment	1,750,475	1,835,695	1,853,321
Interest Income Recognized	2,000	801	4,953
Interest Income Recognized For Cash Payments Received	2,000	801	4,953
Consumer Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	455,457		455,457	509,667
Unpaid Principal Balance - No Allowance Recorded	455,457		455,457	509,667
Average Recorded Investment - No Allowance Recorded	494,498	1,012,035	520,020
Interest Income Recognized - No Allowance Recorded		1,689
Interest Income Recognized For Cash Payments Received - No Allowance Recorded		1,689
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	822,632		822,632	840,783
Unpaid Principal Balance - Allowance Recorded	822,632		822,632	840,783
Related Allowance - Allowance Recorded	506,860		506,860	467,552
Average Recorded Investment - Allowance Recorded	826,092	422,808	779,968
Interest Income Recognized - Allowance Recorded	890		2,670
Interest Income Recognized For Cash Payments Received - Allowance Recorded	890		2,670
Total Impaired Loans/Leases:
Recorded Investment	1,278,089		1,278,089	1,350,450
Unpaid Principal Balance	1,278,089		1,278,089	1,350,450
Related Allowance	506,860		506,860	467,552
Average Recorded Investment	1,320,590	1,434,843	1,299,988
Interest Income Recognized	890	1,689	2,670
Interest Income Recognized For Cash Payments Received	$ 890	$ 1,689