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Property and Equipment (Tables)
 6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and equipment consist of the following as of June 30, 2014, and December 31, 2013:
 
June 30,
2014
 
December 31,
2013
Leasehold improvements
$
2,427,502

 
$
2,319,928

Lab and clean room equipment
2,729,522

 
2,025,263

Furniture and office equipment
1,793,194

 
1,240,466

Construction in progress
583,109

 
802,319

 
7,533,327

 
6,387,976

Less accumulated depreciation
(2,852,851
)
 
(2,301,870
)
 
$
4,680,476

 
$
4,086,106