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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Receivables) (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Disaggregation of Revenue [Line Items] |  |  |
Accounts receivable, gross | $ 1,794 | $ 3,873 |
Less allowance for credit losses | (995) | (2,572) | $ (2,354)
Accounts receivable, net | 799 | 1,301 |
Medicaid |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Accounts receivables, gross of allowance for credit losses | (12) | 25 |
Medicare |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Accounts receivable, gross | 1,086 | 1,561 |
Self-pay |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Accounts receivable, gross | 13 | 229 |
Third party payers |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Accounts receivable, gross | 530 | 1,641 |
Contract diagnostic services, product and other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Accounts receivable, gross | $ 177 | $ 417 |

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