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Accrued Expenses | 6 Months Ended
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Jun. 30, 2025
Accrued Expenses |
Accrued Expenses | 5. Accrued Expenses ​ Accrued expenses consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
(In thousands) |  | 2025 |  | 2024
Employee compensation expenses | ​ | $ | 2,740 | ​ | $ | 4,979
Research and development expenses | ​ | ​ | 1,839 | ​ | ​ | 2,173
Deferred transaction consideration | ​ | ​ | 5,416 | ​ | ​ | 3,927
Licensing expenses | ​ | ​ | 1,147 | ​ | ​ | 8,645
Restructuring expenses (Note 13) | ​ | ​ | — | ​ | ​ | 163
Other expenses | ​ |  | 269 | ​ |  | 446
Total accrued expenses | ​ | $ | 11,411 | ​ | $ | 20,333
​

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