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Concentrations of Credit Risk and Major Customers (Details)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
Customer
Dec. 31, 2020
Customer
Dec. 31, 2019
Customer
Concentration Risk      
Concentration of risk, number of customers 5    
Concentration Risk, Percentage 36.00% 34.00% 36.00%
Sales Revenue and Services, Net [Member] | Customer Concentration Risk [Member]      
Concentration Risk      
Concentration of risk, number of customers 1 0 1
Concentration Risk, Percentage 10.00%   10.90%
Baseline percentage for customer concentration of risk 10.00% 10.00% 10.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member]      
Concentration Risk      
Accounts receivable | $ $ 6.1    
Concentration Risk, Percentage 33.00% 30.00%