Annual report pursuant to Section 13 and 15(d)

Property and equipment, net (Narrative) (Details)

v3.20.1
Property and equipment, net (Narrative) (Details)
12 Months Ended
Nov. 29, 2019
USD ($)
Dec. 31, 2019
USD ($)
ft²
Dec. 31, 2018
USD ($)
Depreciation   $ 3,500,000 $ 3,200,000
Asset purchase option   1  
Capital leased assets, gross     400,000
Accumulated deprecation     (200,000)
Capital leases, net     200,000
Net write-off of fixed assets   $ 19,946,000 $ 0
Minimum      
Capital lease term   24 months  
Maximum      
Capital lease term   36 months  
AquaRefining Fire      
Gross write-off of fixed assets $ 22,400,000    
Decrease of accumulated depreciation 2,500,000    
Net write-off of fixed assets $ 19,900,000    
Asset under Construction      
Area of plant | ft²   136,750