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BeiGene Exclusive Option and License Agreement (Tables) | 12 Months Ended
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Dec. 31, 2021
BeiGene Exclusive Option and License Agreement |
Summary of activity in Company's contract liabilities | The following table presents a summary of the activity in the Company’s contract liabilities, related to the upfront cash payment received of $3,000, from January 1, 2020 through December 31, 2021 (in thousands): ​
​ | ​ | ​ | ​
Balance at January 1, 2020 |  | $ | —
Additions | ​ |  | 3,000
Deductions | ​ | ​ | (1,500)
Balance at December 31, 2020 | ​ | ​ | 1,500
Deductions | ​ | ​ | (1,500)
Balance at December 31, 2021 | ​ | $ | —

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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