As of March 31, 2026 and 2025, the Company's available-for-sale investments by type, consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2026 | | Amortized cost | | Gross unrealized gains | | Gross unrealized losses | | Credit Losses | | Fair value | | US Government agency bonds | $ | 3,985 | | | $ | — | | | $ | (1) | | | $ | — | | | $ | 3,984 | | | US Treasury bonds | 55,872 | | | 9 | | | $ | — | | | $ | — | | | 55,881 | | | $ | 59,857 | | | $ | 9 | | | $ | (1) | | | $ | — | | | $ | 59,865 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2025 | | Amortized cost | | Gross unrealized gains | | Gross unrealized losses | | Credit Losses | | Fair value | | US Government agency bonds | $ | 84,807 | | | $ | 15 | | | $ | (18) | | | $ | — | | | $ | 84,804 | | | US Treasury bonds | 287,570 | | | 334 | | | (23) | | | — | | | 287,881 | | | $ | 372,377 | | | $ | 349 | | | $ | (41) | | | $ | — | | | $ | 372,685 | |
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