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Pension Plan (Summary Of Net Periodic Pension Cost) (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Pension Plan [Abstract]        
Service cost $ 77,584 $ 81,423 $ 155,168 $ 162,846
Interest cost 90,640 76,968 181,280 153,936
Expected return on assets (56,453) (134,481) (112,907) (268,962)
Amortization of net loss   165,884   331,768
Amortization of prior service cost 4,367 4,368 8,734 8,735
Net periodic pension cost $ 116,138 $ 194,162 $ 232,275 $ 388,323