5. Loans, Allowance for Loan Losses and Credit Quality (Details 3) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Recorded Investment With an allowance recorded	$ 231,591	$ 517,846	$ 407,792
Unpaid Principal Balance With an allowance recorded	284,287	555,009	466,478
Related Allowance With an allowance recorded	117,700	140,200	139,700
Average Recorded Investment With an allowance recorded	319,692	418,734	461,741
Recorded Investment With no related allowance recorded	1,829,336	3,421,274	4,084,204
Unpaid Principal Balance With no related allowance recorded	2,032,751	3,769,988	4,603,518
Average Recorded Investment With no related allowance recorded	2,956,771	3,236,693	3,686,066
Recorded Investment allowance recorded	2,060,927	3,939,120	4,491,996
Unpaid Principal Balance allowance recorded	2,317,038	4,324,997	5,069,996
Related Allowance allowance recorded	117,700	140,200	139,700
Average Recorded Investment Allowance recorded	3,276,463	3,655,427	4,147,807
Residential real estate - 1st lien
Recorded Investment With an allowance recorded	0	355,885	173,788
Unpaid Principal Balance With an allowance recorded	0	383,523	182,251
Related Allowance With an allowance recorded	0	59,100	25,100
Average Recorded Investment With an allowance recorded	86,894	235,497	228,273
Recorded Investment With no related allowance recorded	717,673	464,680	1,246,020
Unpaid Principal Balance With no related allowance recorded	803,505	531,386	1,460,402
Average Recorded Investment With no related allowance recorded	981,847	535,407	973,572
Residential real estate - Jr lien
Recorded Investment With an allowance recorded	231,591	67,106	234,004
Unpaid Principal Balance With an allowance recorded	284,287	76,631	284,227
Related Allowance With an allowance recorded	117,700	10,900	114,600
Average Recorded Investment With an allowance recorded	232,798	33,553	155,207
Recorded Investment With no related allowance recorded		240,930	0
Unpaid Principal Balance With no related allowance recorded		284,202	0
Average Recorded Investment With no related allowance recorded		284,910	113,964
Commercial and industrial
Recorded Investment With an allowance recorded		94,855	0
Unpaid Principal Balance With an allowance recorded		94,855	0
Related Allowance With an allowance recorded		70,200	0
Average Recorded Investment With an allowance recorded		47,428	37,359
Recorded Investment With no related allowance recorded	204,354	607,877	286,436
Unpaid Principal Balance With no related allowance recorded	272,017	657,443	366,387
Average Recorded Investment With no related allowance recorded	245,395	499,241	446,817
Commercial Real Estate
Recorded Investment With an allowance recorded		0	0
Unpaid Principal Balance With an allowance recorded		0	0
Related Allowance With an allowance recorded		0	0
Average Recorded Investment With an allowance recorded		102,256	40,902
Recorded Investment With no related allowance recorded	907,309	2,107,787	2,551,748
Unpaid Principal Balance With no related allowance recorded	957,229	2,296,957	2,776,729
Average Recorded Investment With no related allowance recorded	$ 1,729,529	$ 1,917,135	$ 2,151,713

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