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Property, Plant and Equipment (Details) - USD ($)
6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Laboratory and manufacturing equipment $ 5,243,628 $ 3,766,556
Building and improvements 4,935,842 4,716,204
Office furniture and equipment 570,824 568,188
Construction in progress(1) [1] 521,811 1,084,924
Land 347,114 333,486
Property, plant and equipment, gross 11,619,219 10,469,358
Accumulated depreciation (5,116,886) (4,750,544)
Property, plant and equipment, net 6,502,333 $ 5,718,814
Increase (Decrease) in Property, plant and equipment, gross 1,149,861  
Increase (Decrease) in Accumulated depreciation (366,342)  
Increase (Decrease) in Property, plant and equipment, net 783,519  
Laboratory and manufacturing equipment [Member]    
Property, Plant and Equipment [Line Items]    
Increase (Decrease) in Property, plant and equipment, gross 1,477,072  
Building and improvements [Member]    
Property, Plant and Equipment [Line Items]    
Increase (Decrease) in Property, plant and equipment, gross 219,638  
Office furniture and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Increase (Decrease) in Property, plant and equipment, gross 2,636  
Construction in progress [Member]    
Property, Plant and Equipment [Line Items]    
Increase (Decrease) in Property, plant and equipment, gross [1] (563,113)  
Land [Member]    
Property, Plant and Equipment [Line Items]    
Increase (Decrease) in Property, plant and equipment, gross $ 13,628  
[1] As of June 30, 2016, construction in progress included $95,691 in payments related to the construction of our commercial-scale Nisin plant. As of December 31, 2015, construction in progress consisted principally of partial payments towards new manufacturing equipment related to expanding our production capacity for First Defense.