Investments - Schedule of Net Investment Gain (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Unrealized gain of short-term investments: | ||
| Trading securities | $ 55,763 | $ 41,998 |
| Net investment gain | 102,363 | 82,463 |
| Trading securities [Member] | ||
| Gain from sales of short-term investments: | ||
| Gain from sales of short-term investments | 9,086 | 24,849 |
| Held-to-maturity securities [Member] | ||
| Gain from sales of short-term investments: | ||
| Gain from sales of short-term investments | $ 37,514 | $ 15,616 |
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- References No definition available.
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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