5. Loans, Allowance for Loan Losses and Credit Quality (Details 4) - USD ($)	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Group A	$ 437,032,136	$ 431,936,170	$ 427,697,417
Group B	6,842,853	6,077,782	6,534,031
Group C	11,543,143	9,791,003	9,757,182
Total Loans	455,418,132	447,804,955	443,988,630
Commercial and industrial
Group A	65,623,508	61,201,586	60,077,761
Group B	2,023,893	2,316,908	2,717,261
Group C	1,322,973	871,726	1,164,208
Total Loans	68,970,374	64,390,220	63,959,230
Commercial Real Estate
Group A	161,009,553	157,767,641	153,398,713
Group B	4,415,932	3,280,904	3,447,445
Group C	6,211,216	5,563,285	5,429,340
Total Loans	171,636,701	166,611,830	162,275,498
Residential real estate - 1st lien
Group A	158,003,285	160,912,689	162,739,339
Group B	178,938	228,148	205,415
Group C	3,581,245	2,825,287	2,717,672
Total Loans	161,763,468	163,966,124	165,662,426
Residential real estate - Jr lien
Group A	44,587,285	44,018,956	43,546,848
Group B	224,090	251,822	163,910
Group C	425,919	530,705	437,103
Total Loans	45,237,294	44,801,483	44,147,861
Consumer
Group A	7,808,505	8,035,298	7,934,756
Group B	0	0	0
Group C	1,790	0	8,859
Total Loans	$ 7,810,295	$ 8,035,298	$ 7,943,615