Quarterly report pursuant to Section 13 or 15(d)

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

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Property and Equipment, Net - Schedule of Property, and Equipment (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Property and equipment, gross $ 60,286 $ 51,590
Less: accumulated depreciation (8,637) (6,042)
Total property and equipment, net 51,649 45,548
Operational equipment    
Property and equipment, gross $ 21,461 15,926
Operational equipment | Minimum    
Useful Life (Years) 3 years  
Operational equipment | Maximum    
Useful Life (Years) 10 years  
Lab equipment    
Useful Life (Years) 5 years  
Property and equipment, gross $ 580 698
Computer equipment    
Useful Life (Years) 3 years  
Property and equipment, gross $ 221 201
Office furniture and equipment    
Useful Life (Years) 3 years  
Property and equipment, gross $ 353 336
Land    
Property and equipment, gross $ 1,047 1,047
Building    
Useful Life (Years) 39 years  
Property and equipment, gross $ 24,867 24,820
Asset retirement cost    
Useful Life (Years) 20 years  
Property and equipment, gross $ 670 670
Equipment under construction    
Property and equipment, gross $ 11,087 $ 7,892