Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of Revenue (Details)

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REVENUE - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation of Revenue [Line Items]    
Revenue $ 4,701 $ 4,765
Commercial insurance    
Disaggregation of Revenue [Line Items]    
Revenue 2,875 2,761
Facility billing    
Disaggregation of Revenue [Line Items]    
Revenue 1,045 783
Managed service agreements    
Disaggregation of Revenue [Line Items]    
Revenue 419 772
Other revenue    
Disaggregation of Revenue [Line Items]    
Revenue $ 362 $ 449