Investment in Equity Securities	3 Months Ended
Mar. 31, 2026
Equity Method Investments and Joint Ventures [Abstract]
Investment in Equity Securities	6. Investment in Equity Securities As part of the Merger, the Company obtained Homology's 20% equity interest in OXB (US) LLC, an AAV vector process development and manufacturing services company. At that time, the Company had significant influence over, but did not control, OXB (US) LLC through its noncontrolling representation on OXB (US) LLC’s board of directors and the Company’s equity interest in OXB (US) LLC. Accordingly, the Company did not consolidate the financial statements of OXB (US) LLC and accounted for its investment using the equity method of accounting. In May 2024, as a result of transactions by OXB (US) LLC, the Company’s investment was diluted to a 10% equity interest in OXB (US) LLC and the Company no longer had the ability to exert significant influence over the operating and financial policies of OXB (US) LLC, therefore the Company discontinued the equity method of accounting for the investment in OXB (US) LLC and determined the remaining investment to be an equity security accounted for in accordance with FASB ASC Topic 321, Investments—Equity Securities (“ASC 321”). The Company recorded the equity instrument at fair value and applied the measurement alternative under ASC 321 such that the Company would not change the amount recorded for the equity instrument unless the Company identified observable price changes in orderly transactions for the identical or similar investment of the same issuer or the equity instrument was otherwise deemed to be impaired. On March 1, 2025, Oxford Biomedica (US), Inc. exercised its option to cause the Company to sell and transfer to Oxford Biomedica (US), Inc. all of the Company’s equity ownership interest in OXB (US) LLC. In June 2025, the Company finalized the sale of its 10% equity interest in OXB (US) LLC to Oxford Biomedica (US), Inc. and received $2.5 million from Oxford Biomedica (US), Inc., calculated using the Company's pro rata share of OXB (US) LLC (10%), times a predetermined multiple of revenue for the immediately preceding 12-month period increased by OXB (US) LLC's cash balance and decreased by OXB (US) LLC's debt balance as of the exercise date, and reduced the associated equity investment on its condensed consolidated balance sheet to zero.

Investment in Equity Securities

3 Months Ended

Mar. 31, 2026

Equity Method Investments and Joint Ventures [Abstract]

6. Investment in Equity Securities

As part of the Merger, the Company obtained Homology's 20% equity interest in OXB (US) LLC, an AAV vector process development and manufacturing services company. At that time, the Company had significant influence over, but did not control, OXB (US) LLC through its noncontrolling representation on OXB (US) LLC’s board of directors and the Company’s equity interest in OXB (US) LLC. Accordingly, the Company did not consolidate the financial statements of OXB (US) LLC and accounted for its investment using the equity method of accounting.

In May 2024, as a result of transactions by OXB (US) LLC, the Company’s investment was diluted to a 10% equity interest in OXB (US) LLC and the Company no longer had the ability to exert significant influence over the operating and financial policies of OXB (US) LLC, therefore the Company discontinued the equity method of accounting for the investment in OXB (US) LLC and determined the remaining investment to be an equity security accounted for in accordance with FASB ASC Topic 321, Investments—Equity Securities (“ASC 321”). The Company recorded the equity instrument at fair value and applied the measurement alternative under ASC 321 such that the Company would not change the amount recorded for the equity instrument unless the Company identified observable price changes in orderly transactions for the identical or similar investment of the same issuer or the equity instrument was otherwise deemed to be impaired.

On March 1, 2025, Oxford Biomedica (US), Inc. exercised its option to cause the Company to sell and transfer to Oxford Biomedica (US), Inc. all of the Company’s equity ownership interest in OXB (US) LLC. In June 2025, the Company finalized the sale of its 10% equity interest in OXB (US) LLC to Oxford Biomedica (US), Inc. and received $2.5 million from Oxford Biomedica (US), Inc., calculated using the Company's pro rata share of OXB (US) LLC (10%), times a predetermined multiple of revenue for the immediately preceding 12-month period increased by OXB (US) LLC's cash balance and decreased by OXB (US) LLC's debt balance as of the exercise date, and reduced the associated equity investment on its condensed consolidated balance sheet to zero.