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Note 2 - Cash, Cash Equivalents, and Investments (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Cash, Cash Equivalents and Investments [Table Text Block]

		*December 31, 2024*
										*Gross*				*Gross*
		*Level*								*Unrealized*				*Unrealized*
			*(1)*			*Fair Value*				*Holding Gains*				*Holding Losses*				*Adjusted Cost*
Cash and Cash Equivalents
Cash						$	926,287			$	—			$	—			$	926,287
Money Market Funds			1				5,580,463				—				—				5,580,463
Subtotal							6,506,750				—				—				6,506,750
Short-Term Investment Securities ⁽²⁾
Corporate Bonds ⁽³⁾			2				2,756,428				—				(149	)			2,756,577
Total						$	9,263,178			$	—			$	(149	)		$	9,263,327

		*December 31, 2023*
									*Gross*				*Gross*
		*Level*							*Unrealized*				*Unrealized*
		*(1)*			*Fair Value*				*Holding Gains*				*Holding Losses*				*Adjusted Cost*
Cash and Cash Equivalents
Cash					$	25,775			$	—			$	—			$	25,775
Money Market Funds		1				6,489,253				—				—				6,489,253
Subtotal						6,515,028				—				—				6,515,028
Short-Term Investment Securities ⁽²⁾
Corporate Bonds ⁽³⁾		2				748,105				—				(185	)			748,290
Total					$	7,263,133			$	—			$	(185	)		$	7,263,318