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BeiGene Exclusive Option and License Agreement (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Deferred revenue - current |
Balance at December 31, 2020 | $ 1,500
Total contract liabilities |
Additions | 3,000
Revenue recognized | (1,500)
Contract liabilities | $ 1,500

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