Fair Value Measurements - Summary of Changes In Estimated Fair Value of Level 3 Financial Assets (Details) |
12 Months Ended | ||
|---|---|---|---|
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Jan. 01, 2020
USD ($)
item
shares
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Dec. 31, 2021
USD ($)
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Dec. 31, 2020
USD ($)
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| Changes in the estimated fair value of Level 3 financial assets | |||
| Balance at beginning of period | $ 681,000 | $ 1,693,000 | $ 681,000 |
| Change in fair value | 617,000 | 1,012,000 | |
| Transfer out of Level 3 | $ (2,310,000) | 0 | |
| Balance at end or period | $ 1,693,000 | ||
| License Agreement and Common Stock Purchase Agreement [Member] | Rezolute | |||
| Changes in the estimated fair value of Level 3 financial assets | |||
| Number of Rezolute's post-split shares Company has right and option to sell | shares | 100,000 | ||
| Number of tranches | item | 2 | ||
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of equity securities tranches. No definition available.
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- Definition Number of counterparty's post-split shares held by entity that entity has right and option to sell if counterparty does not list common stock shares on national exchange by specified date. No definition available.
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