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Property, Plant and Equipment
 9 Months Ended
Sep. 30, 2015
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT

 

7.PROPERTY, PLANT AND EQUIPMENT

 

Property, plant and equipment consisted of the following, at cost:

 

  

As of

September 30, 2015

  

As of

December 31, 2014

  

Increase

(Decrease)

 
Laboratory and manufacturing equipment $3,602,690  $3,522,465  $80,225 
Building and improvements  4,579,852   2,969,891   1,609,961 
Office furniture and equipment  569,567   470,607   98,960 
Construction in progress(1)  738,282   1,270,672   (532,390)
Land  72,807   50,000   22,807 
     Property, plant and equipment, gross  9,563,198   8,283,635   1,279,563 
Accumulated depreciation  (4,607,584)  (4,445,988)  (161,596)
     Property, plant and equipment, net $4,955,614  $3,837,647  $1,117,967 

 

(1)As of December 31, 2014, construction in progress consisted of a building addition that was completed during the first quarter of 2015. As of September 30, 2015, construction in progress consisted principally of partial payments towards new manufacturing equipment.