Pension and Profit Sharing - Periodic Benefit Cost (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Assumptions used to determine net periodic benefit cost:
Discount rate		3.99%	4.42%
Expected return on plan assets		8.25%	8.25%
Interest cost		$ 85,108	$ 99,122
Service cost	9,000	36,000	19,000
Expected return on plan assets		(94,765)	(95,470)
Amortization of prior service costs		9,154	9,154
Amortization of actuarial loss		135,759	124,536
Net periodic benefit cost		$ 171,257	$ 156,342