Annual report pursuant to Section 13 and 15(d)

Property and equipment, net (Details)

v3.8.0.1
Property and equipment, net (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Property and equipment, gross $ 49,166 $ 42,169
Less: accumulated depreciation (3,433) (777)
Property and equipment, net 45,733 41,392
Operational Equipment [Member]    
Property and equipment, gross $ 15,457 15,132
Operational Equipment [Member] | Minimum [Member]    
Useful Life (Years) 3 years  
Operational Equipment [Member] | Maximum [Member]    
Useful Life (Years) 10 years  
Lab Equipment [Member]    
Property and equipment, gross $ 685 547
Useful Life (Years) 5 years  
Computer Equipment [Member]    
Property and equipment, gross $ 174 140
Useful Life (Years) 3 years  
Office Furniture And Equipment [Member]    
Property and equipment, gross $ 326 298
Useful Life (Years) 3 years  
Leasehold Improvements [Member]    
Property and equipment, gross $ 1,408 1,408
Leasehold Improvements [Member] | Minimum [Member]    
Useful Life (Years) 5 years  
Leasehold Improvements [Member] | Maximum [Member]    
Useful Life (Years) 7 years  
Land [Member]    
Property and equipment, gross $ 1,047 1,047
Building [Member]    
Property and equipment, gross $ 24,847 21,962
Useful Life (Years) 39 years  
Asset Retirement Cost [Member]    
Property and equipment, gross $ 670  
Useful Life (Years) 20 years  
Equipment Under Construction [Member]    
Property and equipment, gross $ 4,552 $ 1,635