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Cash and Cash Equivalents (Tables) | 3 Months Ended
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Mar. 31, 2022
Cash and Cash Equivalents [Abstract] |
Schedule of Cash and Cash Equivalents by Significant Investment Category | The following tables show the Company’s cash and cash equivalents by significant investment category as of March 31, 2022 and December 31, 2021 (in thousands):
| March 31, 2022 |
| Amortized cost |  | Estimated fair value |  | Cash and cash equivalents |
Cash | $ | 9,295 |  | $ | 9,295 |  | $ | 9,295 |
Level 1: |  |  |  |  |  |
Money market funds |  | 9,360 |  |  | 9,360 |  |  | 9,360 |
Total | $ | 18,655 |  | $ | 18,655 |  | $ | 18,655 |
| December 31, 2021 |
| Amortized cost |  | Estimated fair value |  | Cash and cash equivalents |
Cash | $ | 3,702 |  | $ | 3,702 |  | $ | 3,702 |
Level 1: |  |  |  |  |  |
Money market funds |  | 10,809 |  |  | 10,809 |  |  | 10,809 |
Total | $ | 14,511 |  | $ | 14,511 |  | $ | 14,511 |

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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