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Property And Equipment (Details) - USD ($)
Dec. 31, 2014
Dec. 31, 2013
Property and equipment, gross $ 41,536,198 $ 37,932,314
Less accumulated depreciation 19,643,803 17,107,866
Total property and equipment 21,892,395 20,824,448
Land [Member]    
Property and equipment, gross 1,856,370 1,856,370
Buildings And improvements [Member]    
Property and equipment, gross 15,125,803 14,587,022
Machinery And Equipment [Member]    
Property and equipment, gross 20,434,910 19,633,164
Vehicles [Member]    
Property and equipment, gross 1,244,560 1,244,560
Office Equipment [Member]    
Property and equipment, gross 465,801 433,679
Construction In Progress [Member]    
Property and equipment, gross $ 2,408,754 $ 177,519