Note 9 - Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured on a Recurring Basis

	Fair value measurements as of June 30, 2025
	Quoted
	prices in
	active		Significant
	markets for		other		Significant
	identical		observable		unobservable
	assets		inputs		inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Money market funds	$	131,109	$	—	$	—	$	131,109
Equity securities		8,125		—		—		8,125
Common stock options		—		3		—		3
Total assets	$	139,234	$	3	$	—	$	139,237
Liabilities:
Forward contracts	$	—	$	180	$	—	$	180
Total liabilities	$	—	$	180	$	—	$	180

	Fair value measurements as of December 31, 2024
	Quoted
	prices in
	active		Significant
	markets for		other		Significant
	identical		observable		unobservable
	assets		inputs		inputs
(In thousands)	(Level 1)		(Level 2)		(Level 3)		Total
Assets:
Money market funds	$	282,121	$	—	$	—	$	282,121
Equity securities		49,655		—		—	$	49,655
Common stock options/warrants		—		3		—		3
Total assets	$	331,776	$	3	$	—	$	331,779

Summary of Carrying Value and Estimated Fair Value of Notes

	June 30, 2025
	Carrying		Total
(In thousands)	Value		Fair Value		Level 1		Level 2		Level 3
2029 Convertible Notes	$	80,416	$	165,492	$	—	$	165,492	$	—