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Major Customer and Geographic Information (Schedule of Non-affiliated Customers with Accounts Receivable) (Details) - Accounts Receivable [Member]
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Customer A [Member]    
Concentration Risk [Line Items]    
Risk percentage 28.00% 26.00%
Customer C [Member]    
Concentration Risk [Line Items]    
Risk percentage 66.00% 67.00%