SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Allowance for Doubtful Accounts) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Allowance for doubtful accounts, Beginning balance	$ (2,354)
Adjustment for allowance for doubtful accounts	(12)	$ (80)
Total charges	12
Allowance for doubtful accounts, Ending balance	(2,366)
Medicaid [Member]
Adjustment for allowance for doubtful accounts	(4)	(7)
Medicare [Member]
Adjustment for allowance for doubtful accounts		(24)
Third-Party Payor [Member]
Adjustment for allowance for doubtful accounts		$ (49)
Self-Pay [Member]
Adjustment for allowance for doubtful accounts	$ (8)