XML 42 R31.htm IDEA: XBRL DOCUMENT v3.22.1
Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
customer
Mar. 31, 2021
USD ($)
Concentration of risk, financial assets    
Financial instruments with off-balance sheet risk of accounting loss, assets $ 0  
Concentration risk, financial liabilities    
Financial instruments with off-balance sheet risk of accounting loss, liabilities 0  
Total revenue $ 1,761 $ 116
Customer Concentration Risk    
Concentration risk, financial liabilities    
Number of major customers | customer 3  
Customer Concentration Risk | Sales Revenue | Customer One    
Concentration risk, financial liabilities    
Total revenue $ 600  
Customer Concentration Risk | Sales Revenue | Customer Two    
Concentration risk, financial liabilities    
Total revenue 500  
Customer Concentration Risk | Sales Revenue | Customer Three    
Concentration risk, financial liabilities    
Total revenue $ 500  
Customer Concentration Risk | Sales Revenue | Three Customers    
Concentration risk, financial liabilities    
Concentration risk, percentage 90.00%  
Customer Concentration Risk | Accounts Receivable | Customer One    
Concentration risk, financial liabilities    
Concentration risk, percentage 36.00%  
Customer Concentration Risk | Accounts Receivable | Customer Two    
Concentration risk, financial liabilities    
Concentration risk, percentage 36.00%  
Customer Concentration Risk | Accounts Receivable | Customer Three    
Concentration risk, financial liabilities    
Concentration risk, percentage 24.00%