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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Narrative) (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2023
USD ($)
segment
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]      
Number of segments | segment 1    
Revenue from sales-type leases $ 0 $ 0  
Deferred revenue $ 124   $ 119