5. Loans, Allowance for Loan Losses and Credit Quality (Details 1) (USD $)	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
30-89 Days	$ 2,963,243	$ 6,734,891	$ 2,010,991
90 Days or more	2,119,351	2,168,099	2,883,921
Total Past Due	5,082,594	8,902,990	4,894,912
Current	426,899,193	407,472,458	402,715,793
Total Loans	431,981,787	416,375,448	407,610,705
Non-Accrual Loans	4,902,188	4,755,452	4,708,519
Over 90 Days and Accruing	466,272	378,060	1,073,279
Commercial and industrial
30-89 Days	75,101	782,937	254,847
90 Days or more	269,744	377,145	326,693
Total Past Due	344,845	1,160,082	581,540
Current	55,155,890	48,123,866	46,903,099
Total Loans	55,500,735	49,283,948	47,484,639
Non-Accrual Loans	493,272	596,777	613,817
Over 90 Days and Accruing	0	0	75,042
Commercial Real Estate
30-89 Days	982,378	785,890	426,428
90 Days or more	546,252	888,179	1,331,505
Total Past Due	1,528,630	1,674,069	1,757,933
Current	145,752,157	138,133,448	134,258,621
Total Loans	147,280,787	139,807,517	136,016,554
Non-Accrual Loans	1,740,350	1,892,195	2,321,320
Over 90 Days and Accruing	50,965	53,937	53,936
Residential real estate - 1st lien
30-89 Days	1,270,029	4,654,077	749,535
90 Days or more	1,071,400	844,803	1,102,424
Total Past Due	2,341,429	5,498,880	1,851,959
Current	172,166,580	164,113,929	165,205,511
Total Loans	174,508,009	169,612,809	167,057,470
Non-Accrual Loans	1,999,274	1,928,097	1,441,659
Over 90 Days and Accruing	344,193	281,845	825,843
Residential real estate - Jr lien
30-89 Days	539,828	379,363	456,984
90 Days or more	223,200	57,128	109,222
Total Past Due	763,028	436,491	566,206
Current	44,516,372	46,592,532	45,463,032
Total Loans	45,279,400	47,029,023	46,029,238
Non-Accrual Loans	669,292	338,383	326,882
Over 90 Days and Accruing	62,359	41,434	109,222
Consumer
30-89 Days	95,907	132,624	123,197
90 Days or more	8,755	844	14,077
Total Past Due	104,662	133,468	137,274
Current	9,308,194	10,508,683	10,885,530
Total Loans	9,412,856	10,642,151	11,022,804
Non-Accrual Loans	0	0	4,841
Over 90 Days and Accruing	$ 8,755	$ 844	$ 9,236