Quarterly report pursuant to Section 13 or 15(d)

Property and equipment, net (Details)

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Property and equipment, net (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Property and equipment, gross $ 45,064 $ 42,169
Less: accumulated depreciation (1,442) (777)
Property and equipment, net 43,622 41,392
Operational Equipment [Member]    
Property and equipment, gross $ 15,742 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 $ 551 547
Useful Life (Years) 5 years  
Computer Equipment [Member]    
Property and equipment, gross $ 156 140
Useful Life (Years) 3 years  
Office Furniture And Equipment [Member]    
Property and equipment, gross $ 300 298
Useful Life (Years) 5 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 $ 1,048 1,047
Building [Member]    
Property and equipment, gross $ 23,447 21,962
Useful Life (Years) 39 years  
Asset Retirement Costs [Member]    
Property and equipment, gross $ 670
Useful Life (Years) 20 years  
Equipment Under Construction [Member]    
Property and equipment, gross $ 1,742 $ 1,635
Useful Life (Years) 10 years