Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Schedule of Property and Equipment (Details)

v3.19.1
Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 6,070 $ 1,934
Accumulated depreciation (1,313) (775)
Property and equipment, net 4,757 1,159
Demonstration Lasers And Lasers Placed With Customers [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 3,254 483
Machinery And Equipment [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 1,135 745
Automobiles [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 1,115 154
Computer Hardware And Software [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 366 301
Leasehold Improvements [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 104 13
Furniture And Fixtures [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross 82 60
Construction In Progress [Member]    
Property Plant And Equipment [Line Items]    
Property and equipment, gross $ 14 $ 178