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Significant Customers (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Significant Customers (Details) [Line Items]      
Number of customers 3 4  
Concentration risk, percentage 10.00% 10.00%  
Accounts Receivable [Member]      
Significant Customers (Details) [Line Items]      
Concentration risk, percentage 62.00%   44.00%
Customer One [Member] | Revenue Benchmark [Member]      
Significant Customers (Details) [Line Items]      
Concentration risk, percentage 19.00% 18.00%  
Customer Two [Member] | Revenue Benchmark [Member]      
Significant Customers (Details) [Line Items]      
Concentration risk, percentage 15.00% 18.00%  
Customer Three [Member] | Revenue Benchmark [Member]      
Significant Customers (Details) [Line Items]      
Concentration risk, percentage 11.00% 16.00%  
Customer Four [Member] | Revenue Benchmark [Member]      
Significant Customers (Details) [Line Items]      
Concentration risk, percentage   13.00%  
Trade Accounts Receivable [Member]      
Significant Customers (Details) [Line Items]      
Concentration risk, percentage 10.00%   10.00%