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Cash and Cash Equivalents (Tables) | 3 Months Ended
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Mar. 31, 2021
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, 2021 and December 31, 2020 (in thousands):
|  | March 31, 2021 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Estimated fair value |  |  | Cash and cash equivalents |
Cash |  | $ | 5,411 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,411 |  |  | $ | 5,411 |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 16,047 |  |  |  | — |  |  |  | — |  |  |  | 16,047 |  |  |  | 16,047 |
Total |  | $ | 21,458 |  |  | $ | — |  |  | $ | — |  |  | $ | 21,458 |  |  | $ | 21,458 |
|  | December 31, 2020 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Estimated fair value |  |  | Cash and cash equivalents |
Cash |  | $ | 2,779 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,779 |  |  | $ | 2,779 |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  |  | 35,394 |  |  |  | — |  |  |  | — |  |  |  | 35,394 |  |  |  | 35,394 |
Total |  | $ | 38,173 |  |  | $ | — |  |  | $ | — |  |  | $ | 38,173 |  |  | $ | 38,173 |

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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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