Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)

v3.24.1.u1
SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
Model
Dec. 31, 2022
USD ($)
Schedule of Organization and Significant Accounting Policies [Line Items]    
Uninsured cash $ 0.9  
Inventory $ 0.7 $ 0.3
Percentage of valuation allowance on deferred tax assets (as a percent) 100.00% 100.00%
Revenue from contract with customers excluding assesseed tax $ 4.8 $ 2.6
Research and development costs $ 1.6 0.0
Number of model iterations | Model 100,000  
Foreign translation gain (loss) $ (0.5) $ 0.1
Escalation Rate    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Asset retirement obligation measurement input (as a percent) 0.0333  
Minimum | Measurement Input, Discount Rate    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Asset retirement obligation measurement input (as a percent) 0.0362  
Minimum | Equipment    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Useful Life (in years) 3 years  
Minimum | Refinery Assets and Buildings    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Useful Life (in years) 5 years  
Maximum | Measurement Input, Discount Rate    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Asset retirement obligation measurement input (as a percent) 0.0726  
Maximum | Equipment    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Useful Life (in years) 5 years  
Maximum | Refinery Assets and Buildings    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Useful Life (in years) 30 years  
Weighted Average | Measurement Input, Discount Rate    
Schedule of Organization and Significant Accounting Policies [Line Items]    
Asset retirement obligation measurement input (as a percent) 0.0500