Investments (Tables)

12 Months Ended

Dec. 31, 2024

Investments [Abstract]

Schedule of Short-Term Investments

Investments consisted of the following.

			Quoted		Significant		Significant
			Prices in		Other		Other
			Active		Observable		Unobservable
	December 31,		Markets		Inputs		Inputs
	2024		(Level 1)		(Level 2)		(Level 3)
Short-term investments
Trading securities	$	5,355,552	$	5,355,552	$	-	$	-
Held-to-maturity securities		17,576,988		17,576,988		-		-
Total	$	22,932,540	$	22,932,540	$	-	$	-

			Quoted		Significant		Significant
			Prices in		Other		Other
			Active		Observable		Unobservable
	December 31,		Markets		Inputs		Inputs
	2023		(Level 1)		(Level 2)		(Level 3)
Short-term investments
Trading securities	$	5,837,445	$	5,837,445	$	-	$	-
Held-to-maturity securities		3,000,000		3,000,000		-		-
Long-term investment
Held-to-maturity securities		1,000,000		1,000,000		-		-
Total	$	9,837,445	$	9,837,445	$	-	$	-

Schedule of Net Investment Gain (Loss)

Net investment gain (loss) for the years ended December 31, 2024, 2023 and 2022 consists of the following.

	December 31,
	2024			2023		2022
Gain (loss) from sales of short-term investments:
Trading securities	$	(2,098	)	$	31,097	$	(30,848	)
Held-to-maturity securities		250,826			11,397		-
Unrealized holding gain (loss) from short-term investments:
Trading securities		87,513			49,245		(2,722	)
Held-to-maturity securities		-			184,018		14,207
Unrealized holding gain from long-term investments:
Held-to-maturity securities		-			54,795		-
Net investment gain (loss)	$	336,241		$	330,552	$	(19,363	)