SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Allowance for Doubtful Accounts) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Allowance for doubtful accounts, Beginning balance			$ (2,484)
Adjustment for allowance for doubtful accounts	$ (80)	$ 107	(247)	$ (80)
Bad debt expense			2
Total charges			245
Other			536
Allowance for doubtful accounts, Ending balance	(2,193)		(2,193)
Medicaid [Member]
Adjustment for allowance for doubtful accounts	(6)	(3)	(19)
Medicare [Member]
Adjustment for allowance for doubtful accounts	(24)	(47)	(75)
Third-Party Payor [Member]
Adjustment for allowance for doubtful accounts	$ (50)	$ 157	$ (153)