5. Loans, Allowance for Loan Losses and Credit Quality (Details 3) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Recorded Investment allowance recorded	$ 4,439,311	$ 4,192,714	$ 4,149,346
Unpaid Principal Balance allowance recorded	4,907,603	4,969,054	4,912,247
Related Allowance recorded	411,900	166,000	174,000
Average Recorded Investment Allowance recorded	3,764,201	5,142,401	5,825,949
Average Recorded Investment (2) Allowance recorded	3,971,460	6,245,100
Commercial and industrial
Recorded Investment With no related allowance recorded	319,010	446,484	435,165
Recorded Investment With an allowance recorded	0	0	0
Recorded Investment allowance recorded	319,010	446,484	435,165
Unpaid Principal Balance With no related allowance recorded	366,022	478,798	473,664
Unpaid Principal Balance With an allowance recorded	0	0	0
Unpaid Principal Balance allowance recorded	366,022	478,798	473,664
Related Allowance With no ralated allowance recorded	0	0	0
Related Allowance With an allowance recorded	0	0	0
Related Allowance recorded	0	0	0
Average Recorded Investment With no related allowance recorded	312,218	715,917	536,973
Average Recorded Investment With an allowance recorded	0	0	232,743
Average Recorded Investment Allowance recorded	312,218	715,917	769,716
Average Recorded Investment (2) With no related allowance recorded	345,772	562,425
Average Recorded Investment (2) With an allowance recorded	0	290,929
Average Recorded Investment (2) Allowance recorded	345,772	853,354
Commercial Real Estate
Recorded Investment With no related allowance recorded	1,199,398	1,996,452	1,762,615
Recorded Investment With an allowance recorded	517,472	190,608	0
Recorded Investment allowance recorded	1,716,870	2,187,060	1,762,615
Unpaid Principal Balance With no related allowance recorded	1,269,979	2,426,167	2,123,371
Unpaid Principal Balance With an allowance recorded	517,472	192,108	0
Unpaid Principal Balance allowance recorded	1,787,451	2,618,275	2,123,371
Related Allowance With no ralated allowance recorded	0	0	0
Related Allowance With an allowance recorded	115,700	8,900	0
Related Allowance recorded	115,700	8,900	0
Average Recorded Investment With no related allowance recorded	1,085,322	2,152,006	2,019,449
Average Recorded Investment With an allowance recorded	307,194	671,132	920,842
Average Recorded Investment Allowance recorded	1,392,516	2,823,138	2,940,291
Average Recorded Investment (2) With no related allowance recorded	1,420,668	2,083,657
Average Recorded Investment (2) With an allowance recorded	229,809	1,151,053
Average Recorded Investment (2) Allowance recorded	1,650,477	3,234,710
Residential real estate - 1st lien
Recorded Investment With no related allowance recorded	1,156,159	900,217	1,024,598
Recorded Investment With an allowance recorded	577,980	361,055	617,362
Recorded Investment allowance recorded	1,734,139	1,261,272	1,641,960
Unpaid Principal Balance With no related allowance recorded	1,390,485	1,149,862	1,250,224
Unpaid Principal Balance With an allowance recorded	657,154	402,647	669,288
Unpaid Principal Balance allowance recorded	2,047,639	1,552,509	1,919,512
Related Allowance With no ralated allowance recorded	0	0	0
Related Allowance With an allowance recorded	110,500	110,700	134,800
Related Allowance recorded	110,500	110,700	134,800
Average Recorded Investment With no related allowance recorded	1,026,675	800,820	893,629
Average Recorded Investment With an allowance recorded	523,738	502,679	892,339
Average Recorded Investment Allowance recorded	1,550,413	1,303,499	1,785,968
Average Recorded Investment (2) With no related allowance recorded	1,022,181	860,886
Average Recorded Investment (2) With an allowance recorded	536,016	961,084
Average Recorded Investment (2) Allowance recorded	1,558,197	1,821,970
Residential real estate - Jr lien
Recorded Investment With no related allowance recorded	102,913	0	15,694
Recorded Investment With an allowance recorded	566,379	297,898	293,912
Recorded Investment allowance recorded	669,292	297,898	309,606
Unpaid Principal Balance With no related allowance recorded	110,997	0	76,680
Unpaid Principal Balance With an allowance recorded	595,494	319,472	319,020
Unpaid Principal Balance allowance recorded	706,491	319,472	395,700
Related Allowance With no ralated allowance recorded	0	0	0
Related Allowance With an allowance recorded	185,700	46,400	39,200
Related Allowance recorded	185,700	46,400	39,200
Average Recorded Investment With no related allowance recorded	63,752	15,766	34,602
Average Recorded Investment With an allowance recorded	445,302	284,081	295,372
Average Recorded Investment Allowance recorded	509,054	299,847	329,974
Average Recorded Investment (2) With no related allowance recorded	39,723	39,329
Average Recorded Investment (2) With an allowance recorded	377,291	295,737
Average Recorded Investment (2) Allowance recorded	$ 417,014	$ 335,066