Stock-Based Compensation - Summary of Stock Option Activity and Related Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2024	Dec. 31, 2023
Equity [Abstract]
Number of Options, Beginning Balance	14,591,753
Number of Options, Granted	66,000
Number of Options, Cancelled	(513,456)
Number of Options, Exercised	(207,238)
Number of Options, Ending Balance	13,937,059	14,591,753
Number of Options, Exercisable	7,738,868
Number of Options, Options Vested and Expected to Vest	13,937,059
Weighted Average Exercise Price Per Share, Beginning Balance	$ 2.94
Weighted Average Exercise Price Per Share, Granted	0.25
Weighted Average Exercise Price Per Share, Cancelled	2.09
Weighted Average Exercise Price Per Share, Exercised	0.01
Weighted Average Exercise Price Per Share, Ending Balance	3	$ 2.94
Weighted Average Exercise Price Per Share, Exercisable	3.81
Weighted Average Exercise Price Per Share, Options Vested and Expected to Vest	$ 3
Weighted Average Remaining Contractual Term (in Years), Balance	7 years 1 month 9 days	7 years 3 months 21 days
Weighted Average Remaining Contractual Term (in Years), Exercisable	5 years 6 months 25 days
Weighted Average Remaining Contractual Term (in Years), Options vested and expected to vest	7 years 1 month 9 days
Aggregate Intrinsic Value, Balance	$ 3
Aggregate Intrinsic Value, Options vested and expected to vest	$ 3

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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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.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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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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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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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 price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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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 vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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