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

3 Months Ended

Mar. 31, 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 March 31, 2025 and December 31, 2024. U.S. Treasury securities are held primarily to satisfy collateral requirements of the Company's repurchase and derivative counterparties.

The amortized cost, gross unrealized holding gains and losses, and fair value of available-for-sale investments as of March 31, 2025 and December 31, 2024 are as follows:

(in thousands)
			*Gross*		*Gross*
	*Amortized*		*Unrealized*		*Unrealized*		*Fair*
	*Cost*		*Gains*		*Losses*		*Value*
March 31, 2025
U.S. Treasury Note, 4.625%, 6/30/2026 Maturity	$	100,343	$	389	$	-	$	100,732
U.S. Treasury Bill maturing 6/5/2025		24,811		-		-		24,811
	$	125,154	$	389	$	-	$	125,543
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.