| Investments in US Treasury Notes |
2. Investments in US Treasury Notes The table below provides the components of investments in US treasury notes held to maturity at amortized cost and fair value at June 30, 2025 and December 31, 2024. June 30, 2025 | | | Amortized Cost | | | Gross Unrealized gains | | | Gross Unrealized losses | | | Fair value | | US Treasury notes, current (Matures within 1 year) | | $ | 10,611,794 | | | $ | 25,206 | | | $ | - | | | $ | 10,637,000 | | US Treasury notes, non-current (Matures in 1-5 years) | | | 11,082,224 | | | | 114,776 | | | | - | | | | 11,197,000 | | Total | | $ | 21,694,018 | | | $ | 139,982 | | | $ | - | | | $ | 21,834,000 | |
December 31, 2024 | US Treasury notes, current (Matures within 1 year) | | $ | 7,775,193 | | | $ | 30,807 | | | $ | - | | | $ | 7,806,000 | | US Treasury notes, non-current (Matures in 1-5 years) | | | 7,208,930 | | | | 72,070 | | | | - | | | | 7,281,000 | | Total | | $ | 14,984,123 | | | $ | 102,877 | | | $ | - | | | $ | 15,087,000 | |
Fair value of investments in US treasury notes is determined using Level 1 inputs.
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