Note 3 - Loans/Leases Receivable (Details) - Impaired Loans/Leases (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	$ 7,370,591	$ 2,565,810	$ 6,757,674
Unpaid Principal Balance	7,569,679	2,938,193	7,057,203
Average Recorded Investment	8,129,894	6,303,847
Interest Income Recognized	17,516	44,133
Interest Income Recognized for Cash Payments Received	17,516	44,133
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	10,500,956	15,779,852	12,322,746
Unpaid Principal Balance	11,808,113	16,085,745	13,838,755
Related Allowance	4,365,071	4,543,756	5,008,822
Average Recorded Investment	10,049,282	15,407,993
Interest Income Recognized	774	7,537
Interest Income Recognized for Cash Payments Received	774	7,537
Total Impaired Loans/Leases:
Recorded Investment	17,871,547	18,345,662	19,080,420
Unpaid Principal Balance	19,377,792	19,023,938	20,895,958
Related Allowance	4,365,071	4,543,756	5,008,822
Average Recorded Investment	18,179,176	21,711,840
Interest Income Recognized	18,290	51,670
Interest Income Recognized for Cash Payments Received	18,290	51,670
Commercial and Industrial [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	441,945	402,621	492,622
Unpaid Principal Balance	517,833	775,004	568,951
Average Recorded Investment	482,151	767,929
Interest Income Recognized	1,888	1,924
Interest Income Recognized for Cash Payments Received	1,888	1,924
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	958,813	211,400	1,269,228
Unpaid Principal Balance	1,449,488	264,334	1,956,755
Related Allowance	732,427	498,260	927,453
Average Recorded Investment	910,410	216,133
Total Impaired Loans/Leases:
Recorded Investment	1,400,758	614,021	1,761,850
Unpaid Principal Balance	1,967,321	1,039,338	2,525,706
Related Allowance	732,427	498,260	927,453
Average Recorded Investment	1,392,561	984,062
Interest Income Recognized	1,888	1,924
Interest Income Recognized for Cash Payments Received	1,888	1,924
Owner-Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	389,876	498,946	392,542
Unpaid Principal Balance	389,876	498,946	392,542
Average Recorded Investment	436,412	507,451
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	224,892		159,247
Unpaid Principal Balance	224,892		159,247
Related Allowance	117,555		67,498
Average Recorded Investment	112,438
Total Impaired Loans/Leases:
Recorded Investment	614,768	498,946	551,789
Unpaid Principal Balance	614,768	498,946	551,789
Related Allowance	117,555		67,498
Average Recorded Investment	548,850	507,451
Commercial Construction, Land Development, and Other Land [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	2,124,350		1,943,168
Unpaid Principal Balance	2,247,550		2,054,368
Average Recorded Investment	2,127,392
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	685,292	3,929,839	888,547
Unpaid Principal Balance	796,492	3,929,839	1,011,747
Related Allowance	477,293	1,154,155	503,825
Average Recorded Investment	685,834	3,933,530
Interest Income Recognized		2,703
Interest Income Recognized for Cash Payments Received		2,703
Total Impaired Loans/Leases:
Recorded Investment	2,809,642	3,929,839	2,831,715
Unpaid Principal Balance	3,044,042	3,929,839	3,066,115
Related Allowance	477,293	1,154,155	503,825
Average Recorded Investment	2,813,226	3,933,530
Interest Income Recognized		2,703
Interest Income Recognized for Cash Payments Received		2,703
Non-Owner Occupied Commercial Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	1,983,846	47,958	1,790,279
Unpaid Principal Balance	1,983,846	47,958	1,902,279
Average Recorded Investment	2,376,752	3,198,617
Interest Income Recognized	13,283	40,116
Interest Income Recognized for Cash Payments Received	13,283	40,116
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	6,668,048	9,983,944	7,783,132
Unpaid Principal Balance	7,373,330	10,236,903	8,488,414
Related Allowance	2,117,624	2,353,684	2,603,381
Average Recorded Investment	6,682,038	10,046,487
Interest Income Recognized		4,501
Interest Income Recognized for Cash Payments Received		4,501
Total Impaired Loans/Leases:
Recorded Investment	8,651,894	10,031,902	9,573,411
Unpaid Principal Balance	9,357,176	10,284,861	10,390,693
Related Allowance	2,117,624	2,353,684	2,603,381
Average Recorded Investment	9,058,790	13,245,104
Interest Income Recognized	13,283	44,617
Interest Income Recognized for Cash Payments Received	13,283	44,617
Finance Leases Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	619,800	789,346	557,469
Unpaid Principal Balance	619,800	789,346	557,469
Average Recorded Investment	586,567	831,677
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	700,842	421,590	336,989
Unpaid Principal Balance	700,842	421,590	336,989
Related Allowance	298,303	325,294	192,847
Average Recorded Investment	467,524	273,192
Total Impaired Loans/Leases:
Recorded Investment	1,320,642	1,210,936	894,458
Unpaid Principal Balance	1,320,642	1,210,936	894,458
Related Allowance	298,303	325,294	192,847
Average Recorded Investment	1,054,091	1,104,869
Residential Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	977,436	630,324	1,071,927
Unpaid Principal Balance	977,436	630,324	1,071,927
Average Recorded Investment	1,222,955	810,583
Interest Income Recognized	1,455
Interest Income Recognized for Cash Payments Received	1,455
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	866,172	305,612	1,044,820
Unpaid Principal Balance	866,172	305,612	1,044,820
Related Allowance	224,972	95,232	246,266
Average Recorded Investment	793,141	308,841
Interest Income Recognized	774
Interest Income Recognized for Cash Payments Received	774
Total Impaired Loans/Leases:
Recorded Investment	1,843,608	935,936	2,116,747
Unpaid Principal Balance	1,843,608	935,936	2,116,747
Related Allowance	224,972	95,232	246,266
Average Recorded Investment	2,016,096	1,119,424
Interest Income Recognized	2,229
Interest Income Recognized for Cash Payments Received	2,229
Consumer Portfolio Segment [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	833,338	196,615	509,667
Unpaid Principal Balance	833,338	196,615	509,667
Average Recorded Investment	897,665	187,590
Interest Income Recognized	890	2,093
Interest Income Recognized for Cash Payments Received	890	2,093
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	396,897	927,467	840,783
Unpaid Principal Balance	396,897	927,467	840,783
Related Allowance	396,897	117,131	467,552
Average Recorded Investment	397,897	629,810
Interest Income Recognized		333
Interest Income Recognized for Cash Payments Received		333
Total Impaired Loans/Leases:
Recorded Investment	1,230,235	1,124,082	1,350,450
Unpaid Principal Balance	1,230,235	1,124,082	1,350,450
Related Allowance	396,897	117,131	467,552
Average Recorded Investment	1,295,562	817,400
Interest Income Recognized	890	2,426
Interest Income Recognized for Cash Payments Received	$ 890	$ 2,426