SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Receivables) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	$ 3,776	$ 3,873
Less allowance for credit losses	(2,755)	(2,572)
Accounts receivable, net	1,021	1,301
Medicaid
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	10	25
Medicare
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	1,850	1,561
Self-pay
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	191	229
Third party payers
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	1,508	1,641
Contract diagnostic services, product and other
Disaggregation of Revenue [Line Items]
Accounts receivable, gross	$ 217	$ 417