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MAJOR CUSTOMERS, PARTNERSHIPS AND STRATEGIC ALLIANCES - Pfizer Inc. (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 44 Months Ended | 101 Months Ended
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Dec. 31, 2024 USD ($) | May 31, 2017 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2025 USD ($) milestone
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |  |
Revenues |  |  | $ 581,000 | $ 49,412,000 | $ 25,324,000 | $ 50,249,000 |  |  |
Agreement termination, consideration | $ 5,000,000 |  |  |  |  |  | $ 5,000,000 |  |
Pfizer Inc. |  |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |  |
Agreement termination, term (in years) |  | 15 years |  |  |  |  |  |  |
Pfizer Inc. | Recognition of license revenue |  |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |  |
Revenues under agreement |  | $ 70,000,000 |  |  |  |  |  |  |
Potential amount to be funded for achievement of specified commercialized and sales milestones |  | $ 266,500,000 |  |  |  |  |  |  |
Collaborative arrangement, number of milestones achieved | milestone |  |  |  |  |  |  |  |  | 2
Milestone payments received |  |  |  |  |  |  |  |  | $ 55,000,000
Revenues |  |  | $ 0 | $ 0 | $ 5,000,000 | $ 0 |  | $ 134,000,000 |
Revenue, performance obligation, termination fee, payable term (in days) |  |  |  |  |  |  | 60 days |  |
Revenue, performance obligation, termination fee, payable term if sublicense transfers (in days) | 30 days |  |  |  |  |  |  |  |
Pfizer Inc. | Recognition of license revenue | Minimum |  |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |  |
Percentage of net sales per developed licensed product which will trigger royalties by counterparty (as a percent) |  | 14.00% |  |  |  |  |  |  |
Pfizer Inc. | Recognition of license revenue | Maximum |  |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |  |
Percentage of net sales per developed licensed product which will trigger royalties by counterparty (as a percent) |  | 20.00% |  |  |  |  |  |  |
Pfizer Inc. | Recognition of license revenue | Achievement of specified clinical development intellectual property and regulatory milestones |  |  |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |  |
Development and sales-based milestone payments to be received |  | $ 208,500,000 |  |  |  |  |  |  |

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