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Investments (Details) - Schedule of Net Investment (Loss) Income - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Unrealized holding income of long-term investments:      
Net investment income (loss) $ 330,552 $ (19,363) $ 103,375
Trading Securities [Member]      
Gain (loss) from sales of short-term investments:      
Gain (loss) from sales of short-term investments 31,097 (30,848) 3,945
Unrealized holding income (loss) of short-term investments:      
Unrealized holding income (loss) of short-term investments 49,245 (2,722) 82,241
Held-to-Maturity Debt Securities [Member]      
Gain (loss) from sales of short-term investments:      
Gain (loss) from sales of short-term investments 11,397 17,189
Unrealized holding income (loss) of short-term investments:      
Unrealized holding income (loss) of short-term investments 184,018 14,207
Unrealized holding income of long-term investments:      
Unrealized holding income of long-term investments $ 54,795