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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Liabilities: |  |
Total liabilities measured at fair value | $ 0 |
Fair Value, Recurring |  |
Current assets: |  |
Cash equivalents | 5,372,000 |
Short-term investments | 5,708,000 |
Assets measured at fair value | 11,080,000 |
Liabilities: |  |
Total liabilities measured at fair value |  | $ 7,802,000
Fair Value, Recurring | Money Market Funds |  |
Current assets: |  |
Cash equivalents | 3,634,000 |
Fair Value, Recurring | Commercial Paper |  |
Current assets: |  |
Cash equivalents | 1,738,000 |
Short-term investments | 5,213,000 |
Fair Value, Recurring | U.S. Government Sponsored Entities - Mortgagebacked Securities |  |
Current assets: |  |
Short-term investments | 495,000 |
Fair Value, Recurring | Convertible promissory notes |  |
Liabilities: |  |
Total liabilities measured at fair value |  | 5,157,000
Fair Value, Recurring | Preferred warrants liability |  |
Liabilities: |  |
Total liabilities measured at fair value |  | 1,453,000
Fair Value, Recurring | Convertible Promissory Note Warrants Liability [Member] |  |
Liabilities: |  |
Total liabilities measured at fair value |  | 1,192,000
Fair Value, Recurring | Level 1 |  |
Current assets: |  |
Cash equivalents | 3,634,000 |
Assets measured at fair value | 3,634,000 |
Fair Value, Recurring | Level 1 | Money Market Funds |  |
Current assets: |  |
Cash equivalents | 3,634,000 |
Fair Value, Recurring | Level 2 |  |
Current assets: |  |
Cash equivalents | 1,738,000 |
Short-term investments | 5,708,000 |
Assets measured at fair value | 7,446,000 |
Fair Value, Recurring | Level 2 | Commercial Paper |  |
Current assets: |  |
Cash equivalents | 1,738,000 |
Short-term investments | 5,213,000 |
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 |  | 7,802,000
Fair Value, Recurring | Level 3 | Convertible promissory notes |  |
Liabilities: |  |
Total liabilities measured at fair value |  | 5,157,000
Fair Value, Recurring | Level 3 | Preferred warrants liability |  |
Liabilities: |  |
Total liabilities measured at fair value |  | 1,453,000
Fair Value, Recurring | Level 3 | Convertible Promissory Note Warrants Liability [Member] |  |
Liabilities: |  |
Total liabilities measured at fair value |  | $ 1,192,000

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -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 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 No definition available. + Details
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