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Property, Plant And Equipment (Tables)
 12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Schedule of property, plant and equipment

  As of December 31,  Increase 
  2014  2013  (Decrease) 
Laboratory and manufacturing equipment $3,522,465  $3,182,686  $339,779 
Building and improvements  2,969,891   2,940,239   29,652 
Office furniture and equipment  470,607   354,243   116,364 
Construction in progress(1)  1,270,672   9,600   1,261,072 
Land  50,000   50,000   0 
Property, plant and equipment, gross  8,283,635   6,536,768   1,746,867 
Accumulated depreciation  (4,445,988)  (4,012,003)  (433,985)
Property, plant and equipment, net $3,837,647  $2,524,765  $1,312,882 

 

(1) As of December 31, 2014, construction in progress consisted of a building addition that was completed during the first quarter of 2015.