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Pension Plan (Summary Of Net Periodic Pension Cost) (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Pension Plan [Abstract]        
Service cost $ 81,424 $ 76,699 $ 244,270 $ 230,099
Interest cost 76,967 80,549 230,903 241,648
Expected return on assets (134,480) (112,117) (403,442) (336,352)
Amortization of net loss 165,884 123,098 497,652 369,293
Amortization of prior service cost 4,367 4,367 13,102 13,102
Net periodic pension cost $ 194,162 $ 172,596 $ 582,485 $ 517,790