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Note 3 - Debt Securities (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

		*March 31, 2024*
		*Amortized*				*Unrealized*				*Unrealized*				*Fair*
		*Cost*				*Gains*				*Losses*				*Value*
(Amounts in thousands)
U.S. Agency securities		$	5,750			$	-			$	-			$	5,750
U.S. Treasury securities			36,384				2				(62	)			36,324
Municipal securities			18,325				4				(217	)			18,112
Corporate notes			28,574				-				(1,658	)			26,916
Agency mortgage-backed securities			92,496				-				(13,351	)			79,145
Total		$	181,529			$	6			$	(15,288	)		$	166,247

		*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
Agency mortgage-backed securities			94,548				2				(11,622	)			82,928
Total		$	295,045			$	29			$	(14,113	)		$	280,961

Investments Classified by Contractual Maturity Date [Table Text Block]

		*March 31, 2024*
		*Amortized*
(Amounts in thousands)		*Cost*				*Fair Value*
Available-for-sale debt securities
Due within one year		$	47,332			$	47,266
Due after one year but within five years			41,701				39,836
Due after five years but within ten years			-				-
			89,033				87,102
Agency mortgage-backed securities			92,496				79,145
Total debt securities available-for-sale		$	181,529			$	166,247

Gain (Loss) on Securities [Table Text Block]

		*March 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. Agency securities		$	5,750			$	-			$	-			$	-			$	5,750			$	-
U.S. Treasury securities			5,283				(12	)			25,684				(50	)			30,967				(62	)
Municipal securities			3,944				(21	)			7,713				(196	)			11,657				(217	)
Corporate notes			-				-				26,916				(1,658	)			26,916				(1,658	)
Agency mortgage-backed securities			4,546				(52	)			74,598				(13,299	)			79,144				(13,351	)
Total		$	19,523			$	(85	)		$	134,911			$	(15,203	)		$	154,434			$	(15,288	)

		*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	)
Agency mortgage-backed securities			3,421				(10	)			78,319				(11,612	)			81,740				(11,622	)
Total		$	25,329			$	(45	)		$	239,992			$	(14,068	)		$	265,321			$	(14,113	)

Realized Gain (Loss) on Investments [Table Text Block]

		*Three Months Ended*
		*March 31,*
		*2024*				*2023*
(Amounts in thousands)
Gross realized gains		$	-			$	7
Gross realized losses			-				-
Net gain (loss) on sale of securities		$	-			$	7