Employee Benefits and Retirement Plans - Amount Recognized in Consolidated Balance Sheet (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Accrued Pension	$ 737,519	$ 2,112,848	$ 2,072,247
Deferred tax assets	154,879	443,698	435,172
Accumulated other comprehensive income	582,640	1,669,150	1,637,075
Total	737,519	2,112,848	2,072,247
Service cost	0	0	0
Interest cost on benefit obligation	639,233	657,845	712,228
Expected return on plan assets	(646,186)	(721,735)	(716,622)
Other - net	580,372	482,679	587,821
Net periodic pension cost	573,419	418,789	583,427
Partial recognition of loss due to settlement	0	0	0
Total	$ 573,419	$ 418,789	$ 583,427