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Fair Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 2024
Fair Value Disclosures [Abstract] |
Summary of Financial Assets Measured at Fair Value on Recurring Basis | The following table summarizes the Company’s fair value hierarchy for its financial assets measured at fair value on a recurring basis as of June 30, 2024 and December 31, 2023, respectively (in thousands).
| Fair Value Measurements Using |
June 30, 2024 | Fair Value |  | Level 1 |  | Level 2 |  | Level 3 |
Money market | $ | 2,415 |  | $ | 2,415 |  | $ | — |  | $ | — |
Treasury bills and government agency bonds |  | 3,523 |  |  | — |  |  | 3,523 |  |  | — |
| $ | 5,938 |  | $ | 2,415 |  | $ | 3,523 |  | $ | — |
| Fair Value Measurements Using |
December 31, 2023 | Fair Value |  | Level 1 |  | Level 2 |  | Level 3 |
Money market | $ | 5,449 |  | $ | 5,449 |  | $ | — |  | $ | — |
Summary of Key Inputs Used in Valuation of Liability Classified Warrants | The table below summarizes key inputs used in the valuation of the liability classified warrants as of the issuance date and as of June 30, 2024:
|  | As of issuance date |  | As of June 30, 2024 |
Expected term |  | 1.1 - 5.0 years |  | 1.0 to 4.8 years |
Common stock market price |  | $2.01 - $2.27 |  | $ | 1.47 |
Risk-free interest rate |  | 4.5% - 5.1% |  | 4.3% - 5.1% |
Expected volatility |  | 117.0% - 127.2% |  | 105.6% - 121.0% |
Schedule of Changes in Fair Value of Warrant Liabilities | The table below provides a summary of the fair value of the Company's warrant liability during the six months ended June 30, 2024 (in thousands). As of June 30, 2023, the fair value of liability classified warrants was immaterial, and the change in the fair value of liability classified warrants during the three and six months ended June 30, 2023 was immaterial.
|  | Six Months Ended June 30, |
Warrant liability |  | 2024 |
Beginning balance |  | $ | — |
Issuance of warrants |  |  | 10,854 |
Change in fair value of warrants |  |  | (4,694 | )
Ending balance |  | $ | 6,160 |

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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