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Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Share-Based Payment Arrangement, Option, Activity

A summary of stock option activity for the six months ended June 30, 2024 was as follows:

			Number of Options						Weighted-Average Exercise Price						Weighted-Average Remaining Contractual Term (years)						Intrinsic Value (in thousands)
Balance as of December 31, 2023			4,909,302						$1.55						5.58						$3,393
Forfeited			(103,812)						4.10
Exercised			(80,357)						0.68
Expired			(22,809)						2.19
Outstanding at June 30, 2024			4,702,325						$1.49						5.05						$	636
Exercisable at June 30, 2024			4,517,989						$1.39						4.97						$	636

Schedule of Share-Based Payment Arrangement, Restricted Stock Unit, Activity

A summary of RSU activity for the six months ended June 30, 2024 is as follows:

			Number of RSUs						Intrinsic value (in thousands)
Outstanding unvested RSUs at December 31, 2023			3,229,915
Granted during the year			1,792,798
Forfeited during the year			(1,021,199)
Vested during the year (1)			(984,261)
Outstanding unvested RSUs at June 30, 2024			3,017,253						$	3,138

(1) The issuance of Class A Ordinary Shares was deferred, as elected by the grantees, for 264,516 RSUs that vested during the six months ended June 30, 2024.

Schedule of Stock-Based Compensation Expense

Total employee and non-employee stock-based compensation expense for the six months ended June 30, 2024 and 2023 was classified in the Condensed Consolidated Statements of Operations and Comprehensive Loss as follows:

			Six Months Ended June 30,
			2024						2023
General and administrative expenses			$	1,049					$	1,830
Research and development expenses			31						621
Other operating expenses			178						390
Total			$	1,258					$	2,841

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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-Topic 718
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-Section 50
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