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Note 2 - Securities Available for Sale (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Debt Securities, Available-for-Sale [Table Text Block]

						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
March 31, 2025
U.S. government and agency obligations
One through five years		$	3,000,000			$	—			$	(114,762	)		$	2,885,238
Corporate bonds due in:
Less than one year			350,000				930				—				350,930
One through five years			10,112,901				89,590				(94,745	)			10,107,746
Five through ten years			23,950,000				177,790				(1,050,658	)			23,077,132
Greater than ten years			6,333,526				194,444				—				6,527,970
Municipal obligations due in:
Five through ten years			506,449				—				(91,224	)			415,225
MBS – residential			81,687,087				231,514				(1,944,998	)			79,973,603
MBS – commercial			16,417,854				—				(2,023,177	)			14,394,677
Total		$	142,357,817			$	694,268			$	(5,319,564	)		$	137,732,521

						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
December 31, 2024
U.S. government and agency obligations
Less than one year		$	10,000,000			$	—			$	(55,870	)		$	9,944,130
One through five years			3,000,000				—				(151,590	)			2,848,410
Corporate bonds due in:
Less than one year			350,000				1,090				—				351,090
One through five years			9,112,269				83,414				(64,547	)			9,131,136
Five through ten years			25,410,219				202,205				(1,389,376	)			24,223,048
Greater than ten years			4,321,924				202,576				—				4,524,500
Municipal obligations due in:
Greater than ten years			506,706				—				(108,431	)			398,275
MBS – residential			76,661,752				53,730				(2,162,673	)			74,552,809
MBS – commercial			16,515,823				—				(2,181,774	)			14,334,049
Total		$	145,878,693			$	543,015			$	(6,114,261	)		$	140,307,447

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

		Less Than 12 Months								12 Months or More								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
March 31, 2025
U.S. government and agency obligations		$	—			$	—			$	2,885,238			$	(114,762	)		$	2,885,238			$	(114,762	)
Corporate bonds			4,424,335				(68,364	)			13,845,286				(1,077,039	)			18,269,621				(1,145,403	)
Municipal obligations			—				—				415,225				(91,224	)			415,225				(91,224	)
MBS – residential			41,572,254				(55,975	)			11,078,976				(1,889,023	)			52,651,230				(1,944,998	)
MBS – commercial			—				—				14,394,677				(2,023,177	)			14,394,677				(2,023,177	)
Total		$	45,996,589			$	(124,339	)		$	42,619,402			$	(5,195,225	)		$	88,615,991			$	(5,319,564	)

		Less Than 12 Months								12 Months or More								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
December 31, 2024
U.S. government and agency obligations		$	—			$	—			$	12,792,540			$	(207,460	)		$	12,792,540			$	(207,460	)
Corporate bonds			-				-				15,965,261				(1,453,923	)			15,965,261				(1,453,923	)
Municipal obligations			-				-				398,275				(108,431	)			398,275				(108,431	)
MBS – residential			43,739,606				(120,511	)			11,741,816				(2,042,162	)			55,481,422				(2,162,673	)
MBS – commercial			-				-				14,334,049				(2,181,774	)			14,334,049				(2,181,774	)
Total		$	43,739,606			$	(120,511	)		$	55,231,941			$	(5,993,750	)		$	98,971,547			$	(6,114,261	)

X

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Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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