Employee Benefit Plans (Details) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Pension Benefits [Member]
Components of Net Periodic Benefit Cost
Service cost	$ 127,142	$ 137,474
Interest cost	89,149	103,988
Expected return on plan assets	(160,932)	(176,574)
Amortization of unrecognized prior service cost	(26,981)	(26,982)
Amortization of unrecognized net loss	35,720	21,210
Remaining amortization of unrecognized net loss due to settlements	112,313
Net gain due to curtailment	(191,177)
Amortization of transition obligation
Net periodic benefit cost	(14,766)	59,116
Post Retirement Benefits [Member]
Components of Net Periodic Benefit Cost
Service cost	13,001	11,141
Interest cost	14,978	15,886
Expected return on plan assets
Amortization of unrecognized prior service cost
Amortization of unrecognized net loss	1,457	84
Remaining amortization of unrecognized net loss due to settlements
Net gain due to curtailment
Amortization of transition obligation	1,471	1,456
Net periodic benefit cost	$ 30,907	$ 28,567