Equity Incentive Plan - Summary of Stock Option Activity (Details) - $ / shares shares in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2024	Dec. 31, 2023
Equity [Abstract]
Number of shares outstanding	24,575
Number of shares granted	6,826
Number of shares exercised	(372)
Number of shares expired and forfeited	(3,584)
Number of shares outstanding	27,445	24,575
Weighted-Average Exercise Price, outstanding	$ 7.06
Weighted-Average Exercise Price, granted	2.23
Weighted-Average Exercise Price, exercised	2.46
Weighted-Average Exercise Price, expired and forfeited	11.17
Weighted-Average Exercise Price, outstanding	$ 5.38	$ 7.06
Weighted-Average Remaining Contractual Term (Years)	7 years 8 months 26 days	5 years 7 months 6 days

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

+ References

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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