| Investments |
Investments Marketable debt securities held by the Company are classified as available-for-sale pursuant to ASC 320, Investments – Debt and Equity Securities, and carried at fair value in the accompanying condensed consolidated balance sheets on a settlement date basis. The following tables summarize the gross unrealized gains and losses of the Company’s marketable securities:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2025 | | | | | Gross Unrealized | | | | Estimated Fair Value | | (In thousands) | | Amortized Cost | | Gains | | Losses | | Credit Losses | | | Commercial paper | | $ | 1,961 | | | $ | — | | | $ | (2) | | | $ | — | | | $ | 1,959 | | | Corporate notes | | 71,163 | | | 218 | | | (24) | | | — | | | 71,357 | | | | | | | | | | | | | | U.S. government agency bonds | | 10,442 | | | — | | | (9) | | | — | | | 10,433 | | | | $ | 83,566 | | | $ | 218 | | | $ | (35) | | | $ | — | | | $ | 83,749 | | | Classified as: | | | | | | | | | | | | Short-term investments | | | | | | | | | | $ | 36,349 | | | Long-term investments | | | | | | | | | | 47,400 | | | | | | | | | | $ | 83,749 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2024 | | | | | Gross Unrealized | | | | Estimated Fair Value | | (In thousands) | | Amortized Cost | | Gains | | Losses | | Credit Losses | | | Commercial paper | | $ | 1,953 | | | $ | 1 | | | $ | (1) | | | $ | — | | | $ | 1,953 | | | Corporate notes | | 71,733 | | | 117 | | | (87) | | | — | | | 71,763 | | | | | | | | | | | | | | U.S. government agency bonds | | 7,883 | | | 4 | | | (30) | | | — | | | 7,857 | | | | $ | 81,569 | | | $ | 122 | | | $ | (118) | | | $ | — | | | $ | 81,573 | | | Classified as: | | | | | | | | | | | | Short-term investments | | | | | | | | | | $ | 41,693 | | | Long-term investments | | | | | | | | | | 39,880 | | | | | | | | | | $ | 81,573 | |
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