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Property and Equipment, Net (Tables)
6 Months Ended
Jun. 30, 2020
Property, Plant and Equipment [Abstract]  
Property and equipment, net
Property and equipment, net, consisted of the following (in thousands):
Asset ClassUseful Life
(Years)
June 30, 2020December 31, 2019
Operational equipment
3-10
$12,094  $12,094  
Lab equipment5525  525  
Computer equipment3221  221  
Office furniture and equipment3221  221  
Land-1,047  1,047  
Building3919,508  19,508  
Asset retirement cost20670  670  
Equipment under construction10,881  9,921  
45,167  44,207  
Less: accumulated depreciation(7,553) (6,564) 
Total property and equipment, net$37,614  $37,643