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License and Collaboration Agreement (Tables) | 9 Months Ended
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Sep. 30, 2021
License and Collaboration Agreement. |
Schedule of changes in contract assets and liabilities | The following tables present changes in the Company’s contract assets and liabilities during the periods presented (in thousands): ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | ​ | ​ | ​ | ​ | Balance at
​ | ​ | Beginning of | ​ | ​ | ​ | ​ | ​ | End of
Nine Months Ended September 30, 2021 |  | Period | ​ | Additions |  | Deductions |  | Period
Contract assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Receivable from collaboration partner - related party | ​ | $ | 2,426 | ​ | $ | 5,732 | ​ | $ | (5,520) | ​ | $ | 2,638
Contract liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred revenue - related party | ​ | $ | 14,477 | ​ | $ | 16,715 | ​ | $ | (28,951) | ​ | $ | 2,241
Payable to collaboration partner - related party | ​ | $ | 2,732 | ​ | $ | 9,785 | ​ | $ | (11,396) | ​ | $ | 1,121
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Balance at
​ | ​ | Beginning of | ​ | ​ | ​ | ​ | ​ | End of
Nine Months Ended September 30, 2020 |  | Period | ​ | Additions |  | Deductions |  | Period
Contract assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Receivable from collaboration partner - related party | ​ | $ | 5,955 | ​ | $ | 5,284 | ​ | $ | (8,450) | ​ | $ | 2,789
Contract asset - related party | ​ | $ | 800 | ​ | $ | 342 | ​ | $ | (1,142) | ​ | $ | —
Contract liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Deferred revenue - related party | ​ | $ | 41,530 | ​ | $ | 3,500 | ​ | $ | (24,153) | ​ | $ | 20,877
Payable to collaboration partner - related party | ​ | $ | 1,262 | ​ | $ | 2,114 | ​ | $ | (1,299) | ​ | $ | 2,077

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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=121604090&loc=SL49130551-203045 + Details
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