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SEGMENT REPORTING (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) segment | Jun. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Sep. 30, 2024 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2025 USD ($) segment | Sep. 30, 2024 USD ($)
Segment Reporting [Abstract] |  |  |  |  |  |  |  |
Number of operating segments | segment | 1 |  |  |  |  |  | 1 |
Number of reportable segments | segment | 1 |  |  |  |  |  | 1 |
Revenues: |  |  |  |  |  |  |  |
Total revenues | $ 47,227 |  |  | $ 28,271 |  |  | $ 135,866 | $ 29,457
Costs and operating expenses: |  |  |  |  |  |  |  |
Cost of goods sold | 1,043 |  |  | 456 |  |  | 3,439 | 473
Research and development |  |  |  |  |  |  |  |
Research and development | 21,070 |  |  | 20,153 |  |  | 57,884 | 80,305
Selling, general and administrative |  |  |  |  |  |  |  |
Commercial expenses | 39,001 |  |  | 35,877 |  |  | 117,588 | 102,361
Total costs and operating expenses | 61,114 |  |  | 56,486 |  |  | 178,911 | 183,139
Loss from operations | (13,887) |  |  | (28,215) |  |  | (43,045) | (153,682)
Net loss | (18,428) | $ (16,375) | $ (19,835) | (26,447) | $ (67,383) | $ (55,390) | (54,638) | (149,220)
Product revenue, net |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |
Total revenues | 47,167 |  |  | 28,209 |  |  | 135,610 | 28,989
Royalties |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |
Total revenues | 60 |  |  | 62 |  |  | 256 | 468
Reportable Segment |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |
Total revenues | 47,300 |  |  | 28,300 |  |  | 135,900 | 29,500
Costs and operating expenses: |  |  |  |  |  |  |  |
Cost of goods sold | 1,000 |  |  | 500 |  |  | 3,400 | 500
Selling, general and administrative |  |  |  |  |  |  |  |
Other segment expenses | 20,400 |  |  | 18,400 |  |  | 62,600 | 52,300
Total costs and operating expenses | 61,100 |  |  | 56,500 |  |  | 178,900 | 183,100
Loss from operations | (13,900) |  |  | (28,200) |  |  | (43,000) | (153,700)
Total interest and other income (expense) | (4,500) |  |  | 1,800 |  |  | (11,600) | 4,500
Net loss | (18,400) |  |  | (26,400) |  |  | (54,600) | (149,200)
Reportable Segment | Product revenue, net |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |
Total revenues | 47,200 |  |  | 28,200 |  |  | 135,600 | 29,000
Reportable Segment | Royalties |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |
Total revenues | 100 |  |  | 100 |  |  | 300 | 500
Reportable Segment | Research and clinical expenses |  |  |  |  |  |  |  |
Research and development |  |  |  |  |  |  |  |
Research and development | 18,000 |  |  | 17,900 |  |  | 51,500 | 55,000
Reportable Segment | Chemistry, manufacturing, and control expenses |  |  |  |  |  |  |  |
Research and development |  |  |  |  |  |  |  |
Research and development | 3,100 |  |  | 2,300 |  |  | 6,400 | 25,300
Reportable Segment | Commercial expenses |  |  |  |  |  |  |  |
Selling, general and administrative |  |  |  |  |  |  |  |
Commercial expenses | $ 18,600 |  |  | $ 17,400 |  |  | $ 55,000 | $ 50,000

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