Loans Allowance for Loan Losses and Credit Quality (Details 1) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
30-89 days	$ 1,048,926	$ 6,010,907
90 days or more	1,903,603	1,561,300
Total past due	2,952,529	7,572,207
Current	735,295,243	599,416,730
Total loans	738,247,772	606,988,937
Non-accrual loans	4,599,335	4,433,930
90 days or more and accruing	825,069	642,432
Municipal [Member]
30-89 days	0	0
90 days or more	0	0
Total past due	0	0
Current	52,332,802	55,817,206
Total loans	52,332,802	55,817,206
Non-accrual loans	0	0
90 days or more and accruing	0	0
Residential real estate - Jr lien [Member]
30-89 days	47,007	331,416
90 days or more	157,496	147,976
Total past due	204,503	479,392
Current	38,399,493	42,751,481
Total loans	38,603,996	43,230,873
Non-accrual loans	217,844	240,753
90 days or more and accruing	74,900	112,386
Consumer [Member]
30-89 days	24,215	49,607
90 days or more	0	0
Total past due	24,215	49,607
Current	4,148,894	4,340,398
Total loans	4,173,109	4,390,005
Non-accrual loans	0	0
90 days or more and accruing	0	0
Commercial and industrial [Member]
30-89 days	311,106	68,532
90 days or more	8,559	44,503
Total past due	319,665	113,035
Current	197,317,548	98,817,796
Total loans	197,637,213	98,930,831
Non-accrual loans	402,287	480,083
90 days or more and accruing	8,559	0
Commercial Real Estate [Member]
30-89 days	227,285	1,690,307
90 days or more	604,522	151,723
Total past due	831,807	1,842,030
Current	279,664,100	244,440,696
Total loans	280,495,907	246,282,726
Non-accrual loans	1,735,572	1,600,827
90 days or more and accruing	0	0
Residential real estate - 1st lien [Member]
30-89 days	439,313	3,871,045
90 days or more	1,133,026	1,217,098
Total past due	1,572,339	5,088,143
Current	163,432,406	153,249,153
Total loans	165,004,745	158,337,296
Non-accrual loans	2,243,632	2,112,267
90 days or more and accruing	$ 741,610	$ 530,046