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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property and Equipment [Abstract]  
Schedule property and equipment
Property and Equipment:
 
   
December 31,
 
   
2013
  
2012
 
Lasers-in-service
 $12,599  $7,301 
Equipment, computer hardware and software
  4,730   4,015 
Furniture and fixtures
  705   617 
Leasehold improvements
  534   396 
    18,568   12,329 
Accumulated depreciation and amortization
  (8,079)  (5,570)
Total property and equipment, net
 $10,489  $6,759