Pension And Profit Sharing - Changes In Plan Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Changes in plan assets:
Fair value of plan assets at beginning of year	$ 1,417,572	$ 1,684,535
Actual return on plan assets	146,937	(22,349)
Employer contribution		30,000
Benefits and plan expenses paid	(269,782)	(274,614)
Fair value of plan assets at end of year	1,294,727	1,417,572
Funded status	$ (205,071)	$ (359,216)