Pension And Profit Sharing - Changes In Plan Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Changes in plan assets:
Fair value of plan assets at beginning of year	$ 1,249,825	$ 1,294,727
Actual return on plan assets	(57,651)	196,479
Employer contribution	25,107
Benefits and plan expenses paid	(203,450)	(241,381)
Fair value of plan assets at end of year	1,013,081	1,249,825
Funded status	$ (147,099)	$ (113,042)