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REVENUE RECOGNITION - Summary of Disaggregated Revenues (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Disaggregation Of Revenue [Line Items]    
Total revenue $ 2,635 $ 1,509
Device    
Disaggregation Of Revenue [Line Items]    
Total revenue 2,132 1,192
Device | Point In Time    
Disaggregation Of Revenue [Line Items]    
Total revenue 2,132 1,192
Service    
Disaggregation Of Revenue [Line Items]    
Total revenue 503 317
Service | Over Time    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 503 $ 317