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Property and Equipment
6 Months Ended
Jun. 30, 2019
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
 
Property and equipment consist of the following:
 
 
As of June 30,
2019
 
As of December 31,
2018
Furniture and office equipment
$
775,030

 
$
775,030

Leasehold improvements
102,230

 
1,962,230

Laboratory equipment
682,508

 
677,234

 
1,559,768

 
3,414,494

Less—accumulated depreciation and amortization
(1,307,715
)
 
(2,110,061
)
Property and equipment, net
$
252,053

 
$
1,304,433