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Collaborative Research and License Agreements - Other Current Liabilities (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 USD ($)
Movement in Deferred Revenue [Roll Forward] |
Deferred Revenue Balance at January 1, 2021 | $ 8,343
Additions | 20,000
Revenue (Recognized) Reversed | 2,601
Deferred Revenue Balance at September 30, 2021 | 30,944
Ipsen Collaboration |
Movement in Deferred Revenue [Roll Forward] |
Deferred Revenue Balance at January 1, 2021 | 0
Additions | 20,000
Revenue (Recognized) Reversed | (803)
Deferred Revenue Balance at September 30, 2021 | 19,197
AbbVie Collaboration |
Movement in Deferred Revenue [Roll Forward] |
Deferred Revenue Balance at January 1, 2021 | 8,343
Additions | 0
Revenue (Recognized) Reversed | 3,404
Deferred Revenue Balance at September 30, 2021 | $ 11,747

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