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CONVERTIBLE NOTES (Schedule of Interest Expense Recognized) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Loss on extinguishment of convertible notes | $ 0 | $ 0 | $ 831
Amortization of debt issuance costs and debt discount | 267 | 300 | 2,673
2021 Notes |  |  |
Contractual interest expense |  |  | 2,855
Debt discount amortization |  |  | 2,575
Loss on extinguishment of convertible notes |  |  | 831
Total |  |  | 6,261
2024 Notes |  |  |
Contractual interest expense | 2,534 | 2,156 | 767
Amortization of debt issuance costs and debt discount | 267 | 300 | 97
Total | $ 2,801 | $ 2,456 | $ 864

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