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Stock-Based Compensation - Assumptions (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Fair value assumptions |  |
Expected volatility |  | 79.70%
Minimum |  |
Fair value assumptions |  |
Expected term | 5 years 6 months | 5 years 3 months 18 days
Expected volatility | 79.70% |
Risk free interest rate | 1.80% | 0.80%
Maximum |  |
Fair value assumptions |  |
Expected term | 6 years 1 month 6 days | 6 years 1 month 6 days
Expected volatility | 81.40% |
Risk free interest rate | 4.20% | 1.40%

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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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