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Property and Equipment, net (Tables)
6 Months Ended
Jun. 30, 2020
Property and Equipment, net [Abstract]  
Property and Equipment, Net
Property and equipment consist of:

  
June 30, 2020
  
December 31, 2019
 
Lasers placed-in-service
 
$
21,553
  
$
20,925
 
Equipment, computer hardware and software
  
146
   
146
 
Furniture and fixtures
  
234
   
234
 
Leasehold improvements
  
26
   
26
 
   
21,959
   
21,331
 
Accumulated depreciation and amortization
  
(16,960
)
  
(15,962
)
Property and equipment, net
 
$
4,999
  
$
5,369