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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Customer Revenue and Accounts Receivable Concentrations) (Details) - Accounts Receivable [Member] - Customer Concentration Risk [Member]
12 Months Ended
Dec. 31, 2021
Customer A [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 21.00%
Customer B [Member]  
Concentration Risk [Line Items]  
Concentration risk, percentage 12.00%