Note 4 - Loans/Leases Receivable (Details) - Impaired Loans/Leases (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Dec. 31, 2012
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	$ 7,621,951		$ 7,621,951	$ 4,372,125
Unpaid Principal Balance	8,029,162		8,029,162	5,320,511
Average Recorded Investment	9,626,276	11,115,924	9,862,104
Interest Income Recognized	3,993	3,513	53,739
Interest Income Recognized for Cash Payments Received	3,993	3,513	53,739
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	15,671,237		15,671,237	19,922,086
Unpaid Principal Balance	16,783,587		16,783,587	20,197,297
Related Allowance	6,493,658	525,110	6,493,658	4,587,769
Average Recorded Investment	15,043,921	15,220,975	13,060,921
Interest Income Recognized	38,617	88,728	63,816
Interest Income Recognized for Cash Payments Received	38,617	88,728	63,816
Total Impaired Loans/Leases:
Recorded Investment	23,293,188		23,293,188	24,294,211
Unpaid Principal Balance	24,812,749		24,812,749	25,517,808
Related Allowance	6,493,658	525,110	6,493,658	4,587,769
Average Recorded Investment	24,670,197	26,336,899	22,923,025
Interest Income Recognized	42,610	92,241	117,555
Interest Income Recognized for Cash Payments Received	42,610	92,241	117,555
Commercial and Industrial [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	701,450		701,450	438,355
Unpaid Principal Balance	1,108,661		1,108,661	1,203,710
Average Recorded Investment	834,405	754,844	796,262
Interest Income Recognized	1,950		5,811
Interest Income Recognized for Cash Payments Received	1,950		5,811
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	1,872,767		1,872,767	568,597
Unpaid Principal Balance	1,886,717		1,886,717	590,849
Related Allowance	1,112,008		1,112,008	280,170
Average Recorded Investment	1,913,841	223,917	1,044,843
Interest Income Recognized	9,340	1,984	24,647
Interest Income Recognized for Cash Payments Received	9,340	1,984	24,647
Total Impaired Loans/Leases:
Recorded Investment	2,574,217		2,574,217	1,006,952
Unpaid Principal Balance	2,995,378		2,995,378	1,794,559
Related Allowance	1,112,008		1,112,008	280,170
Average Recorded Investment	2,748,246	978,761	1,841,105
Interest Income Recognized	11,290	1,984	30,458
Interest Income Recognized for Cash Payments Received	11,290	1,984	30,458
Owner-occupied commercial real estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	705,653		705,653	503,321
Unpaid Principal Balance	705,653		705,653	503,321
Average Recorded Investment	2,295,969	550,725	1,517,083
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	1,325,513		1,325,513
Unpaid Principal Balance	2,170,954		2,170,954
Related Allowance	461,491		461,491
Average Recorded Investment	1,181,798		633,230
Total Impaired Loans/Leases:
Recorded Investment	2,031,166		2,031,166	503,321
Unpaid Principal Balance	2,876,607		2,876,607	503,321
Related Allowance	461,491		461,491
Average Recorded Investment	3,477,767	550,725	2,150,313
Commercial construction, land development, and other land [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	1,760,962		1,760,962	678,523
Unpaid Principal Balance	1,760,962		1,760,962	678,523
Average Recorded Investment	1,943,718	1,323,689	2,031,439
Interest Income Recognized		1,701
Interest Income Recognized for Cash Payments Received		1,701
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	1,882,762		1,882,762	3,967,583
Unpaid Principal Balance	1,882,762		1,882,762	3,967,583
Related Allowance	1,842,784		1,842,784	1,105,795
Average Recorded Investment	1,897,759	2,157,696	1,874,976
Interest Income Recognized	1,992		7,411
Interest Income Recognized for Cash Payments Received	1,992		7,411
Total Impaired Loans/Leases:
Recorded Investment	3,643,724		3,643,724	4,646,106
Unpaid Principal Balance	3,643,724		3,643,724	4,646,106
Related Allowance	1,842,784		1,842,784	1,105,795
Average Recorded Investment	3,841,477	3,481,385	3,906,415
Interest Income Recognized	1,992	1,701	7,411
Interest Income Recognized for Cash Payments Received	1,992	1,701	7,411
Other commercial real estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	1,584,704		1,584,704	495,702
Unpaid Principal Balance	1,584,704		1,584,704	495,702
Average Recorded Investment	1,739,053	5,798,404	2,807,422
Interest Income Recognized	354		41,127
Interest Income Recognized for Cash Payments Received	354		41,127
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	9,257,889		9,257,889	14,738,717
Unpaid Principal Balance	9,510,848		9,510,848	14,991,676
Related Allowance	2,683,575		2,683,575	2,899,247
Average Recorded Investment	8,893,535	12,036,134	8,673,807
Interest Income Recognized	26,484	86,744	30,957
Interest Income Recognized for Cash Payments Received	26,484	86,744	30,957
Total Impaired Loans/Leases:
Recorded Investment	10,842,593		10,842,593	15,234,419
Unpaid Principal Balance	11,095,552		11,095,552	15,487,378
Related Allowance	2,683,575		2,683,575	2,899,247
Average Recorded Investment	10,632,588	17,834,538	11,481,229
Interest Income Recognized	26,838	86,744	72,084
Interest Income Recognized for Cash Payments Received	26,838	86,744	72,084
Leases receivable [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	460,298		460,298	777,645
Unpaid Principal Balance	460,298		460,298	777,645
Average Recorded Investment	527,153	680,817	812,758
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	238,290		238,290	221,157
Unpaid Principal Balance	238,290		238,290	221,157
Related Allowance	134,533		134,533	125,000
Average Recorded Investment	172,428	210,299	89,468
Total Impaired Loans/Leases:
Recorded Investment	698,588		698,588	998,802
Unpaid Principal Balance	698,588		698,588	998,802
Related Allowance	134,533		134,533	125,000
Average Recorded Investment	699,581	891,116	902,226
Residential Real Estate [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	1,404,241		1,404,241	944,211
Unpaid Principal Balance	1,404,241		1,404,241	1,127,242
Average Recorded Investment	1,273,943	943,926	1,033,428
Interest Income Recognized		1,691
Interest Income Recognized for Cash Payments Received		1,691
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	656,477		656,477	273,045
Unpaid Principal Balance	656,477		656,477	273,045
Related Allowance	206,700		206,700	105,565
Average Recorded Investment	561,752	524,031	410,364
Interest Income Recognized	801		801
Interest Income Recognized for Cash Payments Received	801		801
Total Impaired Loans/Leases:
Recorded Investment	2,060,718		2,060,718	1,217,256
Unpaid Principal Balance	2,060,718		2,060,718	1,400,287
Related Allowance	206,700		206,700	105,565
Average Recorded Investment	1,835,695	1,467,957	1,443,792
Interest Income Recognized	801	1,691	801
Interest Income Recognized for Cash Payments Received	801	1,691	801
Installment and Other Consumer [Member]
Impaired Loans/Leases with No Specific Allowance Recorded:
Recorded Investment	1,004,643		1,004,643	534,368
Unpaid Principal Balance	1,004,643		1,004,643	534,368
Average Recorded Investment	1,012,035	1,063,519	863,712
Interest Income Recognized	1,689	121	6,801
Interest Income Recognized for Cash Payments Received	1,689	121	6,801
Impaired Loans/Leases with Specific Allowance Recorded:
Recorded Investment	437,539		437,539	152,987
Unpaid Principal Balance	437,539		437,539	152,987
Related Allowance	52,567		52,567	71,992
Average Recorded Investment	422,808	68,898	334,233
Total Impaired Loans/Leases:
Recorded Investment	1,442,182		1,442,182	687,355
Unpaid Principal Balance	1,442,182		1,442,182	687,355
Related Allowance	52,567		52,567	71,992
Average Recorded Investment	1,434,843	1,132,417	1,197,945
Interest Income Recognized	1,689	121	6,801
Interest Income Recognized for Cash Payments Received	$ 1,689	$ 121	$ 6,801