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Note 7 - Commitments and Contingencies (Details Textual) - USD ($)
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Jul. 28, 2020
Commitments And Contingencies [Line Items]      
Total restricted cash $ 64,000,000    
DFC Loan [Member]      
Commitments And Contingencies [Line Items]      
Line of credit facility, maximum borrowing capacity     $ 765,000,000
BRAZIL      
Commitments And Contingencies [Line Items]      
Restricted cash 5,000,000 $ 3,000,000  
Federal and State Value added Taxes Litigations and Civil Litigation and Disputes with Former Employees [Member] | BRAZIL      
Commitments And Contingencies [Line Items]      
Loss Contingency, Estimate of Possible Loss 4,000,000    
Loss Contingency maintained accruals 2,000,000    
Aggregate claims 118,000,000    
Threat of Expropriation of Assets [Member] | BRAZIL      
Commitments And Contingencies [Line Items]      
Restricted cash 5,000,000    
Assets, Noncurrent 42,000,000    
Amended ABL Credit Agreement [Member]      
Commitments And Contingencies [Line Items]      
Long-term line of credit 46,000,000    
L/C Facility Agreement [Member]      
Commitments And Contingencies [Line Items]      
Long-term line of credit 44,000,000    
Bank Guarantees and Letters of Credit [Member]      
Commitments And Contingencies [Line Items]      
Guarantor Obligations, Maximum Exposure, Undiscounted 2,000,000    
Surety Bond [Member]      
Commitments And Contingencies [Line Items]      
Guarantor Obligations, Maximum Exposure, Undiscounted $ 29,000,000