Note 3 - Loans/Leases Receivable (Details) - Additional Information on Impaired Loans (USD $)	Jun. 30, 2014	Dec. 31, 2013
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	$ 6,724,804	$ 6,757,674
Impaired loans with no related allowance unpaid principal balance	7,113,805	7,057,203
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	11,526,148	12,322,746
Impaired loans with related allowance unpaid principal balance	12,745,441	13,838,755
Impaired loans related allowance	4,658,545	5,008,822
Total Impaired Loans/Leases:
Impaired loans recorded investment	18,250,952	19,080,420
Impaired loans unpaid principal balance	19,859,246	20,895,958
Impaired loans related allowance	4,658,545	5,008,822
Commercial and Industrial [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	575,419	492,622
Impaired loans with no related allowance unpaid principal balance	730,020	568,951
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	1,529,349	1,269,228
Impaired loans with related allowance unpaid principal balance	2,049,051	1,956,755
Impaired loans related allowance	848,593	927,453
Total Impaired Loans/Leases:
Impaired loans recorded investment	2,104,768	1,761,850
Impaired loans unpaid principal balance	2,779,071	2,525,706
Impaired loans related allowance	848,593	927,453
Owner-Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	380,931	392,542
Impaired loans with no related allowance unpaid principal balance	380,931	392,542
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	552,923	159,247
Impaired loans with related allowance unpaid principal balance	552,923	159,247
Impaired loans related allowance	176,287	67,498
Total Impaired Loans/Leases:
Impaired loans recorded investment	933,854	551,789
Impaired loans unpaid principal balance	933,854	551,789
Impaired loans related allowance	176,287	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	1,622,016	1,943,168
Impaired loans with no related allowance unpaid principal balance	1,856,416	2,054,368
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	600,920	888,547
Impaired loans with related allowance unpaid principal balance	600,920	1,011,747
Impaired loans related allowance	461,671	503,825
Total Impaired Loans/Leases:
Impaired loans recorded investment	2,222,936	2,831,715
Impaired loans unpaid principal balance	2,457,336	3,066,115
Impaired loans related allowance	461,671	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	1,941,116	1,790,279
Impaired loans with no related allowance unpaid principal balance	1,941,116	1,902,279
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	6,166,596	7,783,132
Impaired loans with related allowance unpaid principal balance	6,866,187	8,488,414
Impaired loans related allowance	1,929,568	2,603,381
Total Impaired Loans/Leases:
Impaired loans recorded investment	8,107,712	9,573,411
Impaired loans unpaid principal balance	8,807,303	10,390,693
Impaired loans related allowance	1,929,568	2,603,381
Finance Leases Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	793,247	557,469
Impaired loans with no related allowance unpaid principal balance	793,247	557,469
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	998,581	336,989
Impaired loans with related allowance unpaid principal balance	998,581	336,989
Impaired loans related allowance	534,043	192,847
Total Impaired Loans/Leases:
Impaired loans recorded investment	1,791,828	894,458
Impaired loans unpaid principal balance	1,791,828	894,458
Impaired loans related allowance	534,043	192,847
Residential Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	954,464	1,071,927
Impaired loans with no related allowance unpaid principal balance	954,464	1,071,927
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	840,664	1,044,820
Impaired loans with related allowance unpaid principal balance	840,664	1,044,820
Impaired loans related allowance	237,358	246,266
Total Impaired Loans/Leases:
Impaired loans recorded investment	1,795,128	2,116,747
Impaired loans unpaid principal balance	1,795,128	2,116,747
Impaired loans related allowance	237,358	246,266
Consumer Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Impaired loans with no related allowance recorded investment	457,611	509,667
Impaired loans with no related allowance unpaid principal balance	457,611	509,667
Impaired Loans/Leases with Specific Allowance Recorded:
Impaired loans with related allowance recorded investment	837,115	840,783
Impaired loans with related allowance unpaid principal balance	837,115	840,783
Impaired loans related allowance	471,025	467,552
Total Impaired Loans/Leases:
Impaired loans recorded investment	1,294,726	1,350,450
Impaired loans unpaid principal balance	1,294,726	1,350,450
Impaired loans related allowance	$ 471,025	$ 467,552