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Discontinued Operations (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Discontinued Operations [Abstract]        
Sales reported in discontinued operations $ 0 $ 5,300,000 $ 7,500,000 $ 11,300,000
Pretax loss reported in discontinued operations 617,625 (3,011,537) (4,094,474) (4,439,363)
Proceeds from disposals of property, plant and equipment     3,934,653 65,709
Proceeds from disposals of assets held for sale related to the discontinued operations $ 3,800,000   $ 3,800,000