Note 10 - Stock-based Compensation - Stock Options Activity (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($) $ / shares shares
Balance (in shares) | shares	60
Weighted average price balance (in dollars per share) | $ / shares	$ 19.45
Forfeited or expired (in shares) | shares	(6)
Forfeited or expired (in dollars per share) | $ / shares	$ 51.19
Balance (in shares) | shares	54
Weighted average price balance (in dollars per share) | $ / shares	$ 15.64
Weighted average remaining, balance (Year)	2 years
Balance | $	$ 0