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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Prepaid external R&D costs | $ 1,609 | $ 15,748
Prepaid external manufacturing costs | 398 | 5,545
Prepaid sales tax | 0 | 121
Prepaid insurance | 609 | 651
Prepaid subscriptions | 947 | 960
Interest and dividend receivable | 555 | 1,714
Prepaid legal and consultants | 1,207 | 31
Refunds due from contract research organizations | 14,480 | 0
Other | 2,397 | 1,450
Total prepaid expenses and other current assets | $ 22,202 | $ 26,220

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