Note 5 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

	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

	December 31, 2023
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents (a)	$	40,229	$	—	$	—	$	40,229
Marketable securities:
Equity securities		22		—		—		22
Total marketable securities		22		—		—		22
Total	$	40,251	$	—	$	—	$	40,251