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Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Number of Options
Outstanding at December 31, 2022 (in shares)	4,191,426
Granted (in shares)	2,794,596
Forfeited (in shares)	(411,588)
Outstanding at June 30, 2023 (in shares)	6,574,434
Vested and exercisable at June 30, 2023 (in shares)	1,247,904
Weighted-Average Exercise Price
Outstanding at December 31, 2022 (in dollars per share)	$ 3.18
Granted (in dollars per share)	1.64
Forfeited (in dollars per share)	3.55
Outstanding at June 30, 2023 (in dollars per share)	2.50	$ 3.18
Vested and exercisable at June 30, 2023 (in shares)	$ 3.63
Stock Options Additional Disclosures
Outstanding at December 31, 2022, Weighted average remaining contractual life (Years)	9 years	9 years 1 month 6 days
Outstanding at June 30, 2023, Weighted average remaining contractual life (Years)	9 years	9 years 1 month 6 days
Vested and exercisable at June 30, 2023, Weighted average remaining contractual life (Years)	7 years 10 months 24 days
Outstanding at December 31, 2022, aggregate intrinsic value	$ 2	$ 6
Outstanding at June 30, 2023, aggregate intrinsic value	2	$ 6
Vested and exercisable at June 30, 2023, aggregate intrinsic value	$ 2

X

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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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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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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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