Note 3 - U.S. Treasury Securities, Available-for-sale

6 Months Ended

Jun. 30, 2026

Available-for-sale Debt Securities [Text Block]

NOTE 3. U.S. TREASURY SECURITIES, AVAILABLE-FOR-SALE

The following table presents the amortized cost, gross unrealized holding gains and losses, and fair value of available-for-sale investments as of June 30, 2026 and December 31, 2025. U.S. Treasury securities are held primarily to satisfy collateral requirements of the Company's repurchase and derivative counterparties.

(in thousands)
			*Gross*		*Gross*
	*Amortized*		*Unrealized*		*Unrealized*			*Fair*
	*Cost*		*Gains*		*Losses*			*Value*
June 30, 2026
U.S. Treasury Note, 4.125%, 10/31/2026 Maturity	$	20,032	$	-	$	(20	)	$	20,012
U.S. Treasury Note, 4.50%, 5/15/2027 Maturity		65,818		-		(92	)		65,726
U.S. Treasury Note, 0.50%, 4/30/2027 Maturity		97,150		-		(26	)		97,124
	$	183,000	$	-	$	(138	)	$	182,862
December 31, 2025
U.S. Treasury Note, 4.625%, 6/30/2026 Maturity	$	100,136	$	395	$	-		$	100,531
U.S. Treasury Note, 0.75%, 5/31/2026 Maturity		34,579	$	23				$	34,602
	$	134,715	$	418	$	-		$	135,133

Because all of the Company's available-for-sale securities are backed by the full faith and credit of the U.S. government, the Company has not recorded an allowance for credit losses.