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Cash Equivalents and Investments | 9 Months Ended
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Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract] |
Cash Equivalents and Investments | 2. Cash Equivalents and Investments: As of September 30, 2023 and December 31, 2022, the Company's cash equivalents consisted entirely of money market funds totaling $1.2 million and $1.4 million, respectively. Investments held are all classified as current and at September 30, 2023 and December 31, 2022 are summarized as follows (in thousands):
|  | September 30, 2023 |  |  | December 31, 2022 |
Corporate securities |  | $ | 58,830 |  |  | $ | 61,385 |
Municipal debt securities |  |  | 13,419 |  |  |  | 14,377 |
U.S. Treasury securities |  |  | 21,888 |  |  |  | 10,205 |
Certificates of deposit |  |  | 3,906 |  |  |  | 3,710 |
Federal home loan securities |  |  | 5,498 |  |  |  | 3,562 |
|  | $ | 103,541 |  |  | $ | 93,239 |

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