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Note 3 - Debt Securities (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

		*December 31, 2024*
		*Amortized*				*Unrealized*				*Unrealized*				*Fair*
		*Cost*				*Gains*				*Losses*				*Value*
(Amounts in thousands)
U.S. Treasury securities		$	55,760			$	10			$	(1	)		$	55,769
Municipal securities			13,949				2				(114	)			13,837
Corporate Notes			28,598				—				(1,056	)			27,542
Mortgage-backed Agency securities			86,380				—				(13,679	)			72,701
Total		$	184,687			$	12			$	(14,850	)		$	169,849

		*December 31, 2023*
		*Amortized*				*Unrealized*				*Unrealized*				*Fair*
		*Cost*				*Gains*				*Losses*				*Value*
(Amounts in thousands)
U.S. Agency securities		$	5,750			$	—			$	(1	)		$	5,749
U.S. Treasury securities			146,653				16				(843	)			145,826
Municipal securities			19,528				11				(162	)			19,377
Corporate Notes			28,566				—				(1,485	)			27,081
Mortgage-backed Agency securities			94,548				2				(11,622	)			82,928
		$	295,045			$	29			$	(14,113	)		$	280,961

Investments Classified by Contractual Maturity Date [Table Text Block]

(Amounts in thousands)		U.S. Treasury Securities				Municipal Securities				Corporate Notes				Total
Amortized cost maturity:
One year or less		$	55,760			$	4,074			$	3,761			$	63,595
After one year through five years			—				9,875				24,837				34,712
After five years through ten years			—				—				—				—
After ten years			—				—				—				—
Amortized cost		$	55,760			$	13,949			$	28,598				98,307
Mortgage-backed securities															86,380
Total amortized cost														$	184,687

Fair value maturity:
One year or less		$	55,769			$	4,073			$	3,719			$	63,561
After one year through five years			—				9,764				23,823				33,587
After five years through ten years			—				—				—				—
After ten years			—				—				—				—
Fair value		$	55,769			$	13,837			$	27,542				97,148
Mortgage-backed securities															72,701
Total fair value														$	169,849

Gain (Loss) on Securities [Table Text Block]

		*December 31, 2024*
		*Less than 12 Months*								*12 Months or Longer*								*Total*
		*Fair*				*Unrealized*				*Fair*				*Unrealized*				*Fair*				*Unrealized*
		*Value*				*Losses*				*Value*				*Losses*				*Value*				*Losses*
(Amounts in thousands)
U.S. Treasury securities		$	4,984			$	(1	)		$	-			$	-			$	4,984			$	(1	)
Municipal securities			3,914				(16	)			6,638				(98	)			10,552				(114	)
Corporate Notes			—				—				27,542				(1,056	)			27,542				(1,056	)
Mortgage-backed Agency securities			4,100				(81	)			68,601				(13,598	)			72,701				(13,679	)
Total		$	12,998			$	(98	)		$	102,781			$	(14,752	)		$	115,779			$	(14,850	)

		*December 31, 2023*
		*Less than 12 Months*								*12 Months or Longer*								*Total*
		*Fair*				*Unrealized*				*Fair*				*Unrealized*				*Fair*				*Unrealized*
		*Value*				*Losses*				*Value*				*Losses*				*Value*				*Losses*
(Amounts in thousands)
U.S. Agency securities		$	5,749			$	(1	)		$	—			$	—			$	5,749			$	(1	)
U.S. Treasury securities			11,417				(14	)			129,108				(829	)			140,525				(843	)
Municipal securities			4,742				(20	)			5,484				(142	)			10,226				(162	)
Corporate Notes			—				—				27,081				(1,485	)			27,081				(1,485	)
Mortgage-backed Agency securities			3,421				(10	)			78,319				(11,612	)			81,740				(11,622	)
Total		$	25,329			$	(45	)		$	239,992			$	(14,068	)		$	265,321			$	(14,113	)