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Derivative Liability - Narrative (Details) - USD ($) $ in Millions | Feb. 23, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | May 31, 2018
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2018 Exit Fee |  |  |  |
Derivative [Line Items] |  |  |  |
Agreed amount for exit fee upon change of control or regulatory approval |  |  |  | $ 1.5
Estimated fair value |  | $ 0.7 | $ 0.7 |
2018 Exit Fee | Level 3 |  |  |  |
Derivative [Line Items] |  |  |  |
Fair value analysis, percentage change in probability of occurrence |  | 10.00% |  |
Fair value analysis, effect on fair value based on 10% change in probability of occurrence |  | $ 0.1 |  |
2022 Exit Fee |  |  |  |
Derivative [Line Items] |  |  |  |
Estimated fair value |  | $ 0.4 |  |
Exit fee (percent) | 2.00% |  |  |
Exit fee, net product revenue threshold | $ 100.0 |  |  |
2022 Exit Fee | Level 3 |  |  |  |
Derivative [Line Items] |  |  |  |
Fair value analysis, percentage change in probability of occurrence |  | 10.00% |  |

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- Definition Nominal or face amount used to calculate payments on the derivative liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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