Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Tables)

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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment

Property and equipment consist of the following as of December 31:

 

    2017     2016  
Equipment   $ 1,151,543     $ 1,165,076  
Furniture and fixtures     112,143       112,143  
Leasehold improvements     179,999       179,999  
Computer equipment and software     148,017       150,304  
Loaned systems     348,473       431,608  
      1,940,175       2,039,130  
Less accumulated depreciation and amortization     (1,672,508 )     (1,710,881 )
Total property and equipment, net   $ 267,667     $ 328,249