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Property And Equipment (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Property and equipment, gross $ 42,813,892 $ 41,536,198
Less accumulated depreciation 20,838,961 19,643,803
Total property and equipment 21,974,931 21,892,395
Land [Member]    
Property and equipment, gross 1,756,673 1,856,370
Buildings And improvements [Member]    
Property and equipment, gross 16,417,110 15,125,803
Machinery And Equipment [Member]    
Property and equipment, gross 22,697,235 20,434,910
Vehicles [Member]    
Property and equipment, gross 1,310,527 1,244,560
Office Equipment [Member]    
Property and equipment, gross 602,087 465,801
Construction In Progress [Member]    
Property and equipment, gross $ 30,260 $ 2,408,754