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Stock-based Compensation (Tables) | 6 Months Ended
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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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- Definition 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 + Details
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- Definition 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. + References 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 + Details
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- Definition 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. + References 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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