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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Liabilities: |  |
Total liabilities measured at fair value |  | $ 0
Fair Value, Recurring |  |
Current assets: |  |
Cash equivalents | $ 8,920,000 | 5,372,000
Short-term investments | 5,452,000 | 5,708,000
Assets measured at fair value | 14,372,000 | 11,080,000
Liabilities: |  |
Total liabilities measured at fair value | 3,400,000 |
Fair Value, Recurring | Money Market Funds |  |
Current assets: |  |
Cash equivalents | 6,672,000 | 3,634,000
Fair Value, Recurring | Commercial Paper |  |
Current assets: |  |
Cash equivalents |  | 1,738,000
Short-term investments | 4,461,000 | 5,213,000
Fair Value, Recurring | U.S. Treasury bills |  |
Current assets: |  |
Cash equivalents | 2,248,000 |
Short-term investments | 991,000 |
Fair Value, Recurring | U.S. Government Sponsored Entities - Mortgagebacked Securities |  |
Current assets: |  |
Short-term investments |  | 495,000
Fair Value, Recurring | Warrant Liability |  |
Liabilities: |  |
Total liabilities measured at fair value | 3,400,000 |
Fair Value, Recurring | Level 1 |  |
Current assets: |  |
Cash equivalents | 6,672,000 | 3,634,000
Assets measured at fair value | 6,672,000 | 3,634,000
Fair Value, Recurring | Level 1 | Money Market Funds |  |
Current assets: |  |
Cash equivalents | 6,672,000 | 3,634,000
Fair Value, Recurring | Level 2 |  |
Current assets: |  |
Cash equivalents | 2,248,000 | 1,738,000
Short-term investments | 5,452,000 | 5,708,000
Assets measured at fair value | 7,700,000 | 7,446,000
Fair Value, Recurring | Level 2 | Commercial Paper |  |
Current assets: |  |
Cash equivalents |  | 1,738,000
Short-term investments | 4,461,000 | 5,213,000
Fair Value, Recurring | Level 2 | U.S. Treasury bills |  |
Current assets: |  |
Cash equivalents | 2,248,000 |
Short-term investments | 991,000 |
Fair Value, Recurring | Level 2 | U.S. Government Sponsored Entities - Mortgagebacked Securities |  |
Current assets: |  |
Short-term investments |  | $ 495,000
Fair Value, Recurring | Level 3 |  |
Liabilities: |  |
Total liabilities measured at fair value | 3,400,000 |
Fair Value, Recurring | Level 3 | Warrant Liability |  |
Liabilities: |  |
Total liabilities measured at fair value | $ 3,400,000 |

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + 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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