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v3.22.2.2

Accrued Expenses (Tables) | 9 Months Ended
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Sep. 30, 2022
Accrued Expenses |
Schedule of accrued expenses | Accrued expenses consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of
​ | ​ | September 30, | ​ | December 31,
​ |  | 2022 |  | 2021
Employee related expenses | ​ | $ | 9,388 | ​ | $ | 10,159
External research and development expenses | ​ | ​ | 7,176 | ​ | ​ | 5,614
Intellectual property and patent related fees | ​ | ​ | 1,304 | ​ | ​ | 1,408
Professional service expenses | ​ | ​ | 1,098 | ​ | ​ | 2,345
Other expenses | ​ | ​ | 293 | ​ | ​ | 666
Total accrued expenses | ​ | $ | 19,259 | ​ | $ | 20,192
​ | ​ | ​ | ​ | ​ | ​ | ​

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