Pension And Profit Sharing - Changes In Plan Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Changes in plan assets:
Fair value of plan assets at beginning of year	$ 1,013,831	$ 1,249,825
Actual return on plan assets	201,148	(57,651)
Employer contribution	14,413	25,107
Benefits and plan expenses paid	(200,743)	(203,450)
Fair value of plan assets at end of year	1,028,649	1,013,831
Funded status:	$ (44,667)	$ (147,099)