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BeiGene Exclusive Option and License Agreement - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Jan. 03, 2020
BeiGene Exclusive Option and License Agreement |  |  |
Up-front fee | $ 3,000 |  |
Contract acquisition costs | 270 |  |
Amortization expense | 135 | $ 135 |
Exclusive Option and License Agreement |  |  |
BeiGene Exclusive Option and License Agreement |  |  |
Future option exercise and milestone payments, maximum |  |  | $ 132,000
License |  |  |
BeiGene Exclusive Option and License Agreement |  |  |
Revenue recognized | 1,500 | 1,500 |
Royalty |  |  |
BeiGene Exclusive Option and License Agreement |  |  |
Revenue recognized | 0 | $ 0 |
Exclusive Option and License Agreement |  |  |
BeiGene Exclusive Option and License Agreement |  |  |
Upfront cash payment | $ 3,000 |  | $ 3,000

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