Note 5 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	March 31, 2025
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents (a)	$	41,641	$	—	$	—	$	41,641
Marketable securities:
Equity securities		20		—		—		20
Total marketable securities		20		—		—		20
Total	$	41,661	$	—	$	—	$	41,661

	December 31, 2024
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents (a)	$	41,185	$	—	$	—	$	41,185
Marketable securities:
Equity securities		17		—		—		17
Total marketable securities		17		—		—		17
Total	$	41,202	$	—	$	—	$	41,202