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Collaboration and Licensing Agreements - Deferred Revenue (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021
Deferred revenue - current |  |
Beginning balance | $ 0 |
Ending balance | 4,003 |
Deferred revenue - non-current |  |
Beginning balance | 4,727 |
Ending balance | 8,560 |
2017 KKC Agreement |  |
Deferred revenue - current |  |
Beginning balance | 0 |
Increases due to amounts reclassified from non-current, to be recognized in the next twelve months | 3,961 |
Increases to amounts invoiced, for which cash has not yet been received | 42 |
Decreases due to revenue recognized in the period for which cash has been received | 0 |
Ending balance | 4,003 |
Deferred revenue - non-current |  |
Beginning balance | 4,727 |
Increases due to cash received during the period | 7,694 |
Increases to amounts invoiced, for which cash has not yet been received | 100 |
Decreases due to amounts reclassified as current, to be recognized in the next twelve months | (3,961) |
Ending balance | $ 8,560 |
2019 KKC Agreement |  |
Deferred revenue - current |  |
Beginning balance |  | $ 4,177
Increases due to amounts reclassified from non-current, to be recognized in the next twelve months |  |
Increases to amounts invoiced, for which cash has not yet been received |  | 0
Decreases due to revenue recognized in the period for which cash has been received |  | (3,650)
Ending balance |  | 527
Deferred revenue - non-current |  |
Beginning balance |  | 0
Increases due to cash received during the period |  | 2,947
Increases to amounts invoiced, for which cash has not yet been received |  | 0
Decreases due to amounts reclassified as current, to be recognized in the next twelve months |  | 0
Ending balance |  | $ 2,947

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- Definition Change In Contract With Customer Liability, Current, Rollforward + References No definition available. + Details
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- Definition Contract With Customer, Liability, Decrease In Revenue, To Be Recognized In Next Twelve Months + References No definition available. + Details
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- Definition Contract With Customer, Liability, Increase For Amounts Invoiced + References No definition available. + Details
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- Definition Contract With Customer, Liability, Increase For Cash Received + References No definition available. + Details
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- Definition Contract With Customer, Liability, Revenue Invoiced But Cash Not Received + References No definition available. + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received. + References No definition available. + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 + Details
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