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

9 Months Ended

Sep. 30, 2025

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 September 30, 2025 and December 31, 2024. 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*
September 30, 2025
U.S. Treasury Note, 4.625%, 6/30/2026 Maturity	$	100,205	$	408	$	-	$	100,613
U.S. Treasury Bill maturing 12/4/2025		24,816		11		-		24,827
	$	125,021	$	419	$	-	$	125,440
December 31, 2024
U.S. Treasury Note, 4.625%, 6/30/2026 Maturity	$	100,412	$	139	$	-	$	100,551
	$	100,412	$	139	$	-	$	100,551

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.