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Cash Equivalents and Investments | 3 Months Ended
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Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Cash Equivalents and Investments | 2. Cash Equivalents and Investments: As of March 31, 2024 and December 31, 2023, the Company's cash equivalents consisted entirely of money market funds totaling $0.6 million and $2.8 million, respectively. Investments held are all classified as current and at March 31, 2024 and December 31, 2023 are summarized as follows (in thousands):
|  | March 31, 2024 |  |  | December 31, 2023 |
Corporate securities |  | $ | 63,244 |  |  | $ | 57,878 |
U.S. Treasury securities |  |  | 20,919 |  |  |  | 22,674 |
Municipal debt securities |  |  | 13,647 |  |  |  | 14,649 |
Federal home loan securities |  |  | 6,485 |  |  |  | 5,670 |
Certificates of deposit |  |  | 3,178 |  |  |  | 3,614 |
|  | $ | 107,473 |  |  | $ | 104,485 |

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