Note 3 - Loans/Leases Receivable (Details) - Additional Information on Impaired Loans (USD $)	Sep. 30, 2014	Dec. 31, 2013
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	$ 10,374,176	$ 6,757,674
Impaired loans with no related allowance unpaid principal balance	10,762,039	7,057,203
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	16,923,039	12,322,746
Impaired loans with related allowance unpaid principal balance	18,400,023	13,838,755
Impaired loans related allowance	5,480,762	5,008,822
Total Impaired Loans/Leases:
Impaired loans recorded investment	27,297,215	19,080,420
Impaired loans unpaid principal balance	29,162,062	20,895,958
Impaired loans related allowance	5,480,762	5,008,822
Commercial and Industrial [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	560,005	492,622
Impaired loans with no related allowance unpaid principal balance	667,983	568,951
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	7,698,676	1,269,228
Impaired loans with related allowance unpaid principal balance	8,464,069	1,956,755
Impaired loans related allowance	2,204,926	927,453
Total Impaired Loans/Leases:
Impaired loans recorded investment	8,258,681	1,761,850
Impaired loans unpaid principal balance	9,132,052	2,525,706
Impaired loans related allowance	2,204,926	927,453
Owner-Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	760,586	392,542
Impaired loans with no related allowance unpaid principal balance	873,808	392,542
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	439,701	159,247
Impaired loans with related allowance unpaid principal balance	439,701	159,247
Impaired loans related allowance	143,453	67,498
Total Impaired Loans/Leases:
Impaired loans recorded investment	1,200,287	551,789
Impaired loans unpaid principal balance	1,313,509	551,789
Impaired loans related allowance	143,453	67,498
Commercial Construction, Land Development, and Other Land [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	1,385,356	1,943,168
Impaired loans with no related allowance unpaid principal balance	1,496,556	2,054,368
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	794,703	888,547
Impaired loans with related allowance unpaid principal balance	806,703	1,011,747
Impaired loans related allowance	457,086	503,825
Total Impaired Loans/Leases:
Impaired loans recorded investment	2,180,059	2,831,715
Impaired loans unpaid principal balance	2,303,259	3,066,115
Impaired loans related allowance	457,086	503,825
Non-Owner Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	4,989,393	1,790,279
Impaired loans with no related allowance unpaid principal balance	5,044,816	1,902,279
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	6,061,267	7,783,132
Impaired loans with related allowance unpaid principal balance	6,760,858	8,488,414
Impaired loans related allowance	1,872,961	2,603,381
Total Impaired Loans/Leases:
Impaired loans recorded investment	11,050,660	9,573,411
Impaired loans unpaid principal balance	11,805,674	10,390,693
Impaired loans related allowance	1,872,961	2,603,381
Finance Leases Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	1,109,844	557,469
Impaired loans with no related allowance unpaid principal balance	1,109,884	557,469
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	559,873	336,989
Impaired loans with related allowance unpaid principal balance	559,873	336,989
Impaired loans related allowance	165,617	192,847
Total Impaired Loans/Leases:
Impaired loans recorded investment	1,669,717	894,458
Impaired loans unpaid principal balance	1,669,757	894,458
Impaired loans related allowance	165,617	192,847
Residential Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	1,113,535	1,071,927
Impaired loans with no related allowance unpaid principal balance	1,113,535	1,071,927
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	546,187	1,044,820
Impaired loans with related allowance unpaid principal balance	546,187	1,044,820
Impaired loans related allowance	129,859	246,266
Total Impaired Loans/Leases:
Impaired loans recorded investment	1,659,722	2,116,747
Impaired loans unpaid principal balance	1,659,722	2,116,747
Impaired loans related allowance	129,859	246,266
Consumer Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	455,457	509,667
Impaired loans with no related allowance unpaid principal balance	455,457	509,667
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	822,632	840,783
Impaired loans with related allowance unpaid principal balance	822,632	840,783
Impaired loans related allowance	506,860	467,552
Total Impaired Loans/Leases:
Impaired loans recorded investment	1,278,089	1,350,450
Impaired loans unpaid principal balance	1,278,089	1,350,450
Impaired loans related allowance	$ 506,860	$ 467,552