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Note 2 - Debt Securities (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

		*June 30, 2022*
		*Amortized*				*Unrealized*				*Unrealized*				*Fair*
		*Cost*				*Gains*				*Losses*				*Value*
(Amounts in thousands)
U.S. Agency securities		$	425			$	-			$	(2	)		$	423
U.S. Treasury Notes			136,419				-				(2,176	)			134,243
Municipal securities			24,461				51				(58	)			24,454
Corporate notes			40,625				-				(1,520	)			39,105
Agency mortgage-backed securities			98,265				13				(8,736	)			89,542
Total		$	300,195			$	64			$	(12,492	)		$	287,767

		*December 31, 2021*
		*Amortized*				*Unrealized*				*Unrealized*				*Fair*
		*Cost*				*Gains*				*Losses*				*Value*
(Amounts in thousands)
U.S. Agency securities		$	469			$	—			$	(3	)		$	466
Municipal securities			28,596				198				—				28,794
Corporate notes			9,935				—				(16	)			9,919
Agency mortgage-backed securities			37,273				513				(673	)			37,113
Total		$	76,273			$	711			$	(692	)		$	76,292

Investments Classified by Contractual Maturity Date [Table Text Block]

		*June 30, 2022*
		*Amortized*
(Amounts in thousands)		*Cost*				*Fair Value*
Available-for-sale debt securities
Due within one year		$	19,637			$	19,499
Due after one year but within five years			177,850				174,311
Due after five years but within ten years			4,443				4,415
			201,930				198,225
Agency mortgage-backed securities			98,265				89,542
Total debt securities available for sale		$	300,195			$	287,767

Schedule of Unrealized Loss on Investments [Table Text Block]

		*June 30, 2022*
		*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		$	-			$	-			$	416			$	(2	)		$	416			$	(2	)
U.S. Treasury Notes			134,243				(2,176	)			-				-				134,243				(2,176	)
Municipal securities			5,178				(58	)			-				-				5,178				(58	)
Corporate notes			38,119				(1,520	)			-				-				38,119				(1,520	)
Agency mortgage-backed securities			76,334				(6,381	)			12,009				(2,355	)			88,343				(8,736	)
Total		$	253,874			$	(10,135	)		$	12,425			$	(2,357	)		$	266,299			$	(12,492	)

		*December 31, 2021*
		*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		$	—			$	—			$	459			$	(3	)		$	459			$	(3	)
Corporate notes			9,919				(16	)			—				—				9,919				(16	)
Agency mortgage-backed securities			14,092				(253	)			8,384				(420	)			22,476				(673	)
Total		$	24,011			$	(269	)		$	8,843			$	(423	)		$	32,854			$	(692	)