5. Loans, Allowance for Loan Losses and Credit Quality (Details 3) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Recorded Investment With no related allowance recorded	$ 4,428,921	$ 3,090,166	$ 4,428,921	$ 3,090,166	$ 3,052,109
Recorded Investment With an allowance recorded	482,895	903,905	482,895	903,905	319,619
Recorded Investment	4,911,816	3,994,071	4,911,816	3,994,071	3,371,728
Unpaid Principal Balance With no related allowance recorded	4,912,504	3,482,162	4,912,504	3,482,162	3,380,471
Unpaid Principal Balance With an allowance recorded	567,565	897,695	567,565	897,695	365,689
Unpaid Principal Balance allowance recorded	5,480,069	4,379,857	5,480,069	4,379,857	3,746,160
Related Allowance With an allowance recorded	186,800	128,600	186,800	128,600	77,800
Related Allowance recorded	186,800	128,600	186,800	128,600	77,800
Average Recorded Investment With no related allowance recorded	3,432,546	3,174,337	2,869,225	2,980,044	3,012,310
Average Recorded Investment With an allowance recorded	549,200	1,091,550	380,182	1,046,628	883,373
Average Recorded Investment Allowance recorded	3,981,746	4,265,887	3,249,407	4,026,672	3,895,683
Commercial and industrial
Recorded Investment With no related allowance recorded	446,929	726,688	446,929	726,688	390,605
Recorded Investment With an allowance recorded	0	256,356	0	256,356	0
Unpaid Principal Balance With no related allowance recorded	512,552	772,605	512,552	772,605	424,598
Unpaid Principal Balance With an allowance recorded	0	294,950	0	294,950	0
Related Allowance With an allowance recorded	0	21,200	0	21,200	0
Average Recorded Investment With no related allowance recorded	555,057	772,852	389,530	536,388	507,232
Average Recorded Investment With an allowance recorded	93,398	335,613	37,359	198,362	158,690
Commercial Real Estate
Recorded Investment With no related allowance recorded	2,526,797	1,305,203	2,526,797	1,305,203	1,726,482
Recorded Investment With an allowance recorded	0	423,569	0	423,569	204,511
Unpaid Principal Balance With no related allowance recorded	2,741,550	1,414,604	2,741,550	1,414,604	1,689,772
Unpaid Principal Balance With an allowance recorded	0	439,630	0	439,630	220,981
Related Allowance With an allowance recorded	0	62,000	0	62,000	34,400
Average Recorded Investment With no related allowance recorded	1,976,769	1,321,387	1,641,363	1,186,767	1,294,710
Average Recorded Investment With an allowance recorded	0	322,093	40,902	299,003	280,104
Residential real estate - 1st lien
Recorded Investment With no related allowance recorded	1,455,195	812,609	1,455,195	812,609	606,133
Recorded Investment With an allowance recorded	246,594	134,720	246,594	134,720	115,108
Unpaid Principal Balance With no related allowance recorded	1,658,402	903,309	1,658,402	903,309	875,841
Unpaid Principal Balance With an allowance recorded	283,363	163,115	283,363	163,115	144,708
Related Allowance With an allowance recorded	71,800	45,400	71,800	45,400	43,400
Average Recorded Investment With no related allowance recorded	780,255	822,309	724,368	1,062,894	971,542
Average Recorded Investment With an allowance recorded	302,937	338,782	193,515	339,732	294,807
Residential real estate - Jr lien
Recorded Investment With no related allowance recorded	0	245,666	0	245,666	328,889
Recorded Investment With an allowance recorded	236,301	89,260	236,301	89,260	0
Unpaid Principal Balance With no related allowance recorded	0	391,644	0	391,644	390,260
Unpaid Principal Balance With an allowance recorded	284,202	0	284,202	0	0
Related Allowance With an allowance recorded	115,000	0	115,000	0	0
Average Recorded Investment With no related allowance recorded	120,465	257,789	113,964	193,995	238,826
Average Recorded Investment With an allowance recorded	$ 152,865	$ 95,062	$ 108,406	$ 209,531	$ 149,772