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Property, Plant and Equipment (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 32,011,492 $ 15,295,535
Accumulated depreciation (5,941,803) (5,449,242)
Property, plant and equipment, net 26,069,689 9,846,293
Laboratory and manufacturing equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 5,511,452 5,562,938
Laboratory and manufacturing equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Estimated Useful Lives 10 years  
Laboratory and manufacturing equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Estimated Useful Lives 3 years  
Building and improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 16,966,728 5,037,512
Building and improvements [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Estimated Useful Lives 39 years  
Building and improvements [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Estimated Useful Lives 10 years  
Office furniture and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 698,877 653,462
Office furniture and equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Estimated Useful Lives 10 years  
Office furniture and equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Estimated Useful Lives 3 years  
Construction in progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 8,315,436 3,694,509
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 518,999 $ 347,114