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Investments (Details) - Schedule of Net Investment (loss) Income - USD ($) | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Gain (loss) from sales of short-term investments: |  |
Trading securities | $ 31,721 | $ (24,453)
Unrealized holding (loss) income of short-term investments: |  |
Trading securities | (15,263) | 6,872
Net investment income (loss) | 88,846 | (6,124)
Short-Term Investments [Member] |  |
Unrealized holding (loss) income of short-term investments: |  |
Held-to-maturity debt securities | 7,950 | 11,457
Long-Term Investments [Member] |  |
Unrealized holding (loss) income of short-term investments: |  |
Held-to-maturity debt securities | $ 64,438 |

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