| Schedule of components of investments in US Treasury notes held to maturity |
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 | |
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