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Fair Value Measurements (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Long-term debt | $ 19,537 |
Equipment Notes Payable |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Notes payable | 800 | $ 800
Recurring | Money market funds, included in cash and cash equivalents |  |
Assets: |  |
Money market funds, included in cash and cash equivalents | 14,575 | 14,386
Recurring | Level 1 | Money market funds, included in cash and cash equivalents |  |
Assets: |  |
Money market funds, included in cash and cash equivalents | 14,575 | 14,386
Recurring | Level 2 | 2017 Term loan |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Long-term debt | 18,800 | 18,700
Debt instrument | 19,300 | 19,700
Recurring | Level 2 | Money market funds, included in cash and cash equivalents |  |
Assets: |  |
Money market funds, included in cash and cash equivalents | 0 | 0
Recurring | Level 3 | Money market funds, included in cash and cash equivalents |  |
Assets: |  |
Money market funds, included in cash and cash equivalents | $ 0 | $ 0

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