5. Loans, Allowance for Loan Losses and Credit Quality (Details 4) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Group A	$ 434,501,884	$ 431,936,170	$ 434,610,930
Group B	8,277,273	6,077,782	7,820,888
Group C	9,794,437	9,791,003	9,798,949
Total Loans	452,573,594	447,804,955	452,230,767
Commercial and industrial
Group A	63,693,155	61,201,586	56,637,600
Group B	2,900,660	2,316,908	2,759,619
Group C	853,522	871,726	1,331,589
Total Loans	67,447,337	64,390,220	60,728,808
Commercial Real Estate
Group A	160,845,487	157,767,641	157,395,642
Group B	4,873,360	3,280,904	4,697,830
Group C	5,734,257	5,563,285	5,276,156
Total Loans	171,453,104	166,611,830	167,369,628
Residential real estate - 1st lien
Group A	158,579,882	160,912,689	168,645,904
Group B	233,858	228,148	214,558
Group C	2,780,571	2,825,287	2,701,418
Total Loans	161,594,311	163,966,124	171,561,880
Residential real estate - Jr lien
Group A	43,991,054	44,018,956	43,890,056
Group B	269,395	251,822	148,881
Group C	418,507	530,705	489,786
Total Loans	44,678,956	44,801,483	44,528,723
Consumer
Group A	7,392,306	8,035,298	8,041,728
Group B	0	0	0
Group C	7,580	0	0
Total Loans	$ 7,399,886	$ 8,035,298	$ 8,041,728