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Description of Business (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items] |  |  |
Cash, cash equivalents and restricted cash | $ 12,696 | $ 11,822 | $ 26,953
Short-term investments | 19,808 | 0 |
Cash used in operating activities | 31,251 | 24,950 |
Principal payments | 6,313 | $ 714 |
Accounts Payable Accrued Expenses And Lease Liabilities |  |  |
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items] |  |  |
Current capital commitments | 6,300 |  |
Loan Principal Payments |  |  |
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items] |  |  |
Current capital commitments | 10,600 |  |
Lease Liabilities |  |  |
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items] |  |  |
Noncurrent capital commitments | 5,000 |  |
Third Party Settlement |  |  |
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items] |  |  |
Noncurrent capital commitments | 100 |  |
Convertibe Note Principal Payments |  |  |
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items] |  |  |
Noncurrent capital commitments | $ 800 |  |

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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