Note 2 - Investments in Bond Securities (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Debt Securities, Held-to-Maturity [Table Text Block]

	December 31,		December 31,
	2025		2024
	(in thousands)
Amortized cost	$	-	$	2,687
Unrealized gains		-		5
Fair value	$	-	$	2,692

Investments Classified by Contractual Maturity Date [Table Text Block]

	December 31, 2025				December 31, 2024
			(in thousands)
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
One year or less	$	-	$	-	$	2,687	$	2,692
Greater than one year through five years		-		-		-		-
	$	-	$	-	$	2,687	$	2,692