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Research License Agreements - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2018 | Dec. 31, 2015
Research And Development Arrangement Contract To Perform For Others [Line Items] |  |  |  |
Total consideration allocated to technology recognized as research and development expense |  | $ 11,140 |  |
UT Austin License | University |  |  |  |
Research And Development Arrangement Contract To Perform For Others [Line Items] |  |  |  |
License maintenance fees |  |  |  | $ 40
Additional milestone payments payable upon meeting certain development milestones |  |  |  | $ 4,700
Royalties terms | The Company will pay the University royalties as defined in the UT Austin License on any commercialized product sales related to the licensed technology in a percentage in the low single digits. |  |  |
AskAt License |  |  |  |
Research And Development Arrangement Contract To Perform For Others [Line Items] |  |  |  |
Additional milestone payments payable upon meeting certain development milestones |  |  | $ 4,000 |
Royalties terms | The Company will pay the AskAt royalties a percentage in the low single digits as defined in the AskAt License on any commercialized product sales related to the licensed technology. |  |  |
Total consideration allocated to technology recognized as research and development expense |  |  | 28,500 |
AskAt License | Minimum |  |  |  |
Research And Development Arrangement Contract To Perform For Others [Line Items] |  |  |  |
Milestones payable contingent on sales in calendar year |  |  | 50,000 |
AskAt License | Maximum |  |  |  |
Research And Development Arrangement Contract To Perform For Others [Line Items] |  |  |  |
Milestones payable contingent on sales in calendar year |  |  | $ 250,000 |

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- Definition The amount of purchased research and development assets that are acquired in a business combination have no alternative future use and are therefore written off in the period of acquisition. + References No definition available. + Details
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