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Property, Plant and Equipment (Tables)
 3 Months Ended
Mar. 31, 2018
Property, Plant and Equipment [Abstract]  
Schedule of property, plant and equipment
    Estimated Useful 
Lives
(in years)		   As of
March 31, 2018		     As of
December 31, 2017		  
Laboratory and manufacturing equipment   3-10   $ 5,525,018     $ 5,511,452  
Building and improvements   10-39     17,002,112       16,966,728  
Office furniture and equipment   3-10     698,877       698,877  
Construction in progress         8,902,019       8,315,436  
Land         518,999       518,999  
Property, plant and equipment, gross         32,647,025       32,011,492  
Accumulated depreciation         (6,218,269 )     (5,941,803 )
Property, plant and equipment, net       $ 26,428,756     $ 26,069,689