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Note 2 - Securities Available for Sale (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

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

						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
September 30, 2025
U.S. government and agency obligations
One through five years		$	3,000,000			$	—			$	(70,821	)		$	2,929,179
Corporate bonds due in:
One through five years			10,131,978				80,442				(210,021	)			10,002,399
Five through ten years			30,585,848				520,032				(852,504	)			30,253,376
Greater than ten years			5,849,234				225,891				—				6,075,125
Municipal obligations due in:
Five through ten years			505,933				—				(81,653	)			424,280
MBS – residential			99,876,238				1,066,110				(1,611,337	)			99,331,011
MBS – commercial			13,385,623				—				(1,653,754	)			11,731,869
Total		$	163,334,854			$	1,892,475			$	(4,480,090	)		$	160,747,239

						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
September 30, 2025
U.S. government and agency obligations		$	—			$	—			$	2,929,179			$	(70,821	)		$	2,929,179			$	(70,821	)
Corporate bonds			3,433,035				(60,112	)			11,226,252				(1,002,413	)			14,659,287				(1,062,525	)
Municipal obligations			—				—				424,280				(81,653	)			424,280				(81,653	)
MBS – residential			708,318				(4,281	)			13,471,456				(1,607,056	)			14,179,774				(1,611,337	)
MBS – commercial			—				—				11,731,870				(1,653,754	)			11,731,870				(1,653,754	)
Total		$	4,141,353			$	(64,393	)		$	39,783,037			$	(4,415,697	)		$	43,924,390			$	(4,480,090	)

		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	)

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