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Property, Plant and Equipment
9 Months Ended
Sep. 30, 2018
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
6.PROPERTY, PLANT AND EQUIPMENT

 

Property, plant and equipment consisted of the following:

 

  

Estimated
Useful Lives

(in years)

 

As of

September 30,
2018

  

As of

December 31, 
2017

 
Laboratory and manufacturing equipment 3-10 $15,042,596  $5,511,452 
Building and improvements 10-39  17,006,716   16,966,728 
Office furniture and equipment 3-10  734,887   698,877 
Construction in progress    34,786   8,315,436 
Land    516,867   518,999 
Property, plant and equipment, gross    33,335,852   32,011,492 
Accumulated depreciation    (6,863,398)  (5,941,803)
Property, plant and equipment, net   $26,472,454  $26,069,689 

 

As of December 31, 2017, construction in progress consisted principally of payments for equipment to be used in our Nisin production facility. Approximately $18,554 and $435,448 of property, plant and equipment, gross, was disposed of during the nine-month period ended September 30, 2018 and the year ended December 31, 2017, respectively.