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Stock-Based Compensation - Schedule of Stock-Based Compensation Expense Related to Common Stock Options and Restricted Shares of Common Stock (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Stock-Based Compensation Expense Related to Common Stock Options and Restricted Shares of Common Stock [Line Items] |  |  |  |  |  |  |  |  |
Total stock-based compensation | $ 763 | $ 992 | $ 2,680 | $ 3,110 | [1] | $ 4,271 | [2] | $ 9,323 | [2]
Research and development [Member] |  |  |  |  |  |  |  |  |
Schedule of Stock-Based Compensation Expense Related to Common Stock Options and Restricted Shares of Common Stock [Line Items] |  |  |  |  |  |  |  |  |
Total stock-based compensation | 562 | 408 | 1,761 | 1,358 |  | 2,080 |  | 509 |
Selling and marketing [Member] |  |  |  |  |  |  |  |  |
Schedule of Stock-Based Compensation Expense Related to Common Stock Options and Restricted Shares of Common Stock [Line Items] |  |  |  |  |  |  |  |  |
Total stock-based compensation | 12 | 85 | 123 | (351) |  | (279) |  | 494 |
General and administrative [Member] |  |  |  |  |  |  |  |  |
Schedule of Stock-Based Compensation Expense Related to Common Stock Options and Restricted Shares of Common Stock [Line Items] |  |  |  |  |  |  |  |  |
Total stock-based compensation | $ 189 | $ 499 | $ 796 | $ 2,103 |  | $ 2,470 |  | $ 8,320 |
[1] | As described in Note 15 to these unaudited condensed consolidated financial statements, we have restated the unaudited condensed consolidated statement of cash flows for the nine months ended September 30, 2023.
[2] | As described in Note 3 to the Consolidated Financial Statements appearing elsewhere in this Amendment, we have restated the Consolidated Financial Statements.

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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