Note 3 - Loans/Leases Receivable (Details) - Impaired Loans/Leases - Six Months Ending (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Dec. 31, 2013
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	$ 6,724,804		$ 6,724,804	$ 6,757,674
Unpaid Principal Balance - No Allowance Recorded	7,113,805		7,113,805	7,057,203
Average Recorded Investment - No Allowance Recorded	7,019,250	7,195,437	7,951,032
Interest Income Recognized - No Allowance Recorded	1,621	5,280	19,137
Interest Income Recognized For Cash Payments Received - No Allowance Recorded	1,621	5,280	19,137
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	11,526,148		11,526,148	12,322,746
Unpaid Principal Balance - Allowance Recorded	12,745,441		12,745,441	13,838,755
Related Allowance - Allowance Recorded	4,658,545		4,658,545	5,008,822
Average Recorded Investment - Allowance Recorded	10,436,823	16,549,285	9,861,432
Interest Income Recognized - Allowance Recorded	4	18,023	778
Interest Income Recognized For Cash Payments Received - Allowance Recorded	4	18,023	778
Total Impaired Loans/Leases:
Recorded Investment	18,250,952		18,250,952	19,080,420
Unpaid Principal Balance	19,859,246		19,859,246	20,895,958
Related Allowance	4,658,545		4,658,545	5,008,822
Average Recorded Investment	17,456,073	23,744,722	17,812,464
Interest Income Recognized	1,625	23,303	19,915
Interest Income Recognized For Cash Payments Received	1,625	23,303	19,915
Commercial and Industrial [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	575,419		575,419	492,622
Unpaid Principal Balance - No Allowance Recorded	730,020		730,020	568,951
Average Recorded Investment - No Allowance Recorded	589,889	613,506	631,165
Interest Income Recognized - No Allowance Recorded	11	1,937	1,899
Interest Income Recognized For Cash Payments Received - No Allowance Recorded	11	1,937	1,899
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	1,529,349		1,529,349	1,269,228
Unpaid Principal Balance - Allowance Recorded	2,049,051		2,049,051	1,956,755
Related Allowance - Allowance Recorded	848,593		848,593	927,453
Average Recorded Investment - Allowance Recorded	989,979	1,229,737	855,050
Interest Income Recognized - Allowance Recorded		15,307
Interest Income Recognized For Cash Payments Received - Allowance Recorded		15,307
Total Impaired Loans/Leases:
Recorded Investment	2,104,768		2,104,768	1,761,850
Unpaid Principal Balance	2,779,071		2,779,071	2,525,706
Related Allowance	848,593		848,593	927,453
Average Recorded Investment	1,579,868	1,843,243	1,486,215
Interest Income Recognized	11	17,244	1,899
Interest Income Recognized For Cash Payments Received	11	17,244	1,899
Owner-Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	380,931		380,931	392,542
Unpaid Principal Balance - No Allowance Recorded	380,931		380,931	392,542
Average Recorded Investment - No Allowance Recorded	383,861	3,107,106	410,136
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	552,923		552,923	159,247
Unpaid Principal Balance - Allowance Recorded	552,923		552,923	159,247
Related Allowance - Allowance Recorded	176,287		176,287	67,498
Average Recorded Investment - Allowance Recorded	334,236	653,815	223,337
Total Impaired Loans/Leases:
Recorded Investment	933,854		933,854	551,789
Unpaid Principal Balance	933,854		933,854	551,789
Related Allowance	176,287		176,287	67,498
Average Recorded Investment	718,097	3,760,921	633,473
Commercial Construction, Land Development, and Other Land [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	1,622,016		1,622,016	1,943,168
Unpaid Principal Balance - No Allowance Recorded	1,856,416		1,856,416	2,054,368
Average Recorded Investment - No Allowance Recorded	1,642,205	325,000	1,923,766
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	600,920		600,920	888,547
Unpaid Principal Balance - Allowance Recorded	600,920		600,920	1,011,747
Related Allowance - Allowance Recorded	461,671		461,671	503,825
Average Recorded Investment - Allowance Recorded	602,498	3,656,226	605,198
Interest Income Recognized - Allowance Recorded		2,716
Interest Income Recognized For Cash Payments Received - Allowance Recorded		2,716
Total Impaired Loans/Leases:
Recorded Investment	2,222,936		2,222,936	2,831,715
Unpaid Principal Balance	2,457,336		2,457,336	3,066,115
Related Allowance	461,671		461,671	503,825
Average Recorded Investment	2,244,703	3,981,226	2,528,964
Interest Income Recognized		2,716
Interest Income Recognized For Cash Payments Received		2,716
Non-Owner Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	1,941,116		1,941,116	1,790,279
Unpaid Principal Balance - No Allowance Recorded	1,941,116		1,941,116	1,902,279
Average Recorded Investment - No Allowance Recorded	2,222,582	353,972	2,695,138
Interest Income Recognized - No Allowance Recorded		657	13,283
Interest Income Recognized For Cash Payments Received - No Allowance Recorded		657	13,283
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	6,166,596		6,166,596	7,783,132
Unpaid Principal Balance - Allowance Recorded	6,866,187		6,866,187	8,488,414
Related Allowance - Allowance Recorded	1,929,568		1,929,568	2,603,381
Average Recorded Investment - Allowance Recorded	6,057,384	10,143,708	5,974,240
Total Impaired Loans/Leases:
Recorded Investment	8,107,712		8,107,712	9,573,411
Unpaid Principal Balance	8,807,303		8,807,303	10,390,693
Related Allowance	1,929,568		1,929,568	2,603,381
Average Recorded Investment	8,279,966	10,497,680	8,669,378
Interest Income Recognized		657	13,283
Interest Income Recognized For Cash Payments Received		657	13,283
Finance Leases Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	793,247		793,247	557,469
Unpaid Principal Balance - No Allowance Recorded	793,247		793,247	557,469
Average Recorded Investment - No Allowance Recorded	700,607	822,718	651,516
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	998,581		998,581	336,989
Unpaid Principal Balance - Allowance Recorded	998,581		998,581	336,989
Related Allowance - Allowance Recorded	534,043		534,043	192,847
Average Recorded Investment - Allowance Recorded	855,628	133,038	648,487
Total Impaired Loans/Leases:
Recorded Investment	1,791,828		1,791,828	894,458
Unpaid Principal Balance	1,791,828		1,791,828	894,458
Related Allowance	534,043		534,043	192,847
Average Recorded Investment	1,556,235	955,756	1,300,003
Residential Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	954,464		954,464	1,071,927
Unpaid Principal Balance - No Allowance Recorded	954,464		954,464	1,071,927
Average Recorded Investment - No Allowance Recorded	1,014,286	1,057,657	1,137,735
Interest Income Recognized - No Allowance Recorded	720		2,175
Interest Income Recognized For Cash Payments Received - No Allowance Recorded	720		2,175
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	840,664		840,664	1,044,820
Unpaid Principal Balance - Allowance Recorded	840,664		840,664	1,044,820
Related Allowance - Allowance Recorded	237,358		237,358	246,266
Average Recorded Investment - Allowance Recorded	779,104	302,334	767,008
Interest Income Recognized - Allowance Recorded	4		778
Interest Income Recognized For Cash Payments Received - Allowance Recorded	4		778
Total Impaired Loans/Leases:
Recorded Investment	1,795,128		1,795,128	2,116,747
Unpaid Principal Balance	1,795,128		1,795,128	2,116,747
Related Allowance	237,358		237,358	246,266
Average Recorded Investment	1,793,390	1,359,991	1,904,743
Interest Income Recognized	724		2,953
Interest Income Recognized For Cash Payments Received	724		2,953
Consumer Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment - No Allowance Recorded	457,611		457,611	509,667
Unpaid Principal Balance - No Allowance Recorded	457,611		457,611	509,667
Average Recorded Investment - No Allowance Recorded	465,820	915,478	501,576
Interest Income Recognized - No Allowance Recorded	890	2,686	1,780
Interest Income Recognized For Cash Payments Received - No Allowance Recorded	890	2,686	1,780
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment - Allowance Recorded	837,115		837,115	840,783
Unpaid Principal Balance - Allowance Recorded	837,115		837,115	840,783
Related Allowance - Allowance Recorded	471,025		471,025	467,552
Average Recorded Investment - Allowance Recorded	817,994	430,427	788,112
Total Impaired Loans/Leases:
Recorded Investment	1,294,726		1,294,726	1,350,450
Unpaid Principal Balance	1,294,726		1,294,726	1,350,450
Related Allowance	471,025		471,025	467,552
Average Recorded Investment	1,283,814	1,345,905	1,289,688
Interest Income Recognized	890	2,686	1,780
Interest Income Recognized For Cash Payments Received	$ 890	$ 2,686	$ 1,780