Note 5 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

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

	June 30, 2024
	Level 1		Level 2		Level 3		Total
Cash and cash equivalents (a)	$	40,612	$	—	$	—	$	40,612
Marketable securities:
Equity securities		18		—		—		18
Total marketable securities		18		—		—		18
Total	$	40,630	$	—	$	—	$	40,630

	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