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Property and Equipment
6 Months Ended
Jun. 30, 2018
Property, Plant and Equipment [Abstract]  
Property and Equipment

5. Property and Equipment

 

Property and equipment consist of the following:

 

    June 30, 2018     December 31, 2017  
             
Equipment   $ 6,640,694     $ 7,295,698  
Leasehold improvements     2,592,338       2,592,339  
      9,233,032       9,888,037  
Less: Accumulated depreciation     (8,866,585 )     (9,295,349 )
Net property and equipment   $ 366,447     $ 592,688