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Collaborative Agreements (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2019 | Dec. 31, 2018
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Revenue from collaborative arrangement | $ 0 | $ 0 | $ 65,343 | $ 100,762 |  |
ApolloBio | Collaborative Arrangement, Product |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Additional revenue to be achieved |  |  | $ 20,000,000.0 |  |  |
Royalty period (in years) |  |  | 10 years |  |  |
Revenue from collaborative arrangement | 0 | 0 | $ 65,000 | 101,000 |  |
Coalition for Epidemic Preparedness Innovations | Collaborative Arrangement, Product | Lassa Fever and MERS Vaccine |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Collaborative agreement, funding to be received |  |  | $ 56,000,000 |  |  |
Collaborative agreement, period to receive funding for research and development (in years) |  |  | 5 years |  |  |
Collaborative agreement, funding received | $ 0 | 1,600,000 | $ 0 | 1,600,000 |  |
Bill and Melinda Gates Foundation | Collaborative Arrangement, Product | DNA-Encoded Monoclonal Antibody Technology |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Collaborative agreement, funding received |  | $ 0 |  | $ 39,000 | $ 1,100,000 | $ 2,200,000

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