Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)

v3.22.0.1
Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
customer
Dec. 31, 2020
USD ($)
customer
Sep. 30, 2021
customer
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Change in allowance for doubtful accounts | $ $ 0 $ 0  
Minimum [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Credit terms 30 days    
Maximum [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Credit terms 120 days    
Assets, Current [Member] | Customer Concentration Risk [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of customers 0   0
Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of customers 3   3
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Three Customers [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Concentration risk, percentage 86.00%   90.00%
Total Revenue [Member] | Customer Concentration Risk [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Number of customers 2 2  
Total Revenue [Member] | Customer Concentration Risk [Member] | Three Customers [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Concentration risk, percentage   61.00%  
Total Revenue [Member] | Customer Concentration Risk [Member] | Two Customers [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Concentration risk, percentage 80.00%    
Brazil [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Credit terms 90 days