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Property, Plant and Equipment
 6 Months Ended
Jun. 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

June 30,
2018

  

 

As of

December 31, 2017

 
Laboratory and manufacturing equipment 3-10 $5,652,363  $5,511,452 
Building and improvements 10-39  17,006,716   16,966,728 
Office furniture and equipment 3-10  698,877   698,877 
Construction in progress    9,209,130   8,315,436 
Land    518,999   518,999 
Property, plant and equipment, gross    33,086,085   32,011,492 
Accumulated depreciation    (6,496,154)  (5,941,803)
Property, plant and equipment, net   $26,589,931  $26,069,689 

 

As of June 30, 2018 and December 31, 2017, construction in progress consisted principally of payments for equipment to be used in our Nisin production facility. Approximately $6,730 and $435,448 of property, plant and equipment was disposed of during the six-month period ended June 30, 2018 and the year ended December 31, 2017, respectively.