Note 5 - Stock-Based Compensation - Schedule of Unvested Restricted Stock Units (Details) - Restricted Stock Units (RSUs) [Member] shares in Thousands	3 Months Ended
	Mar. 31, 2024 $ / shares shares
Balance (in shares) | shares	442
Balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 23.77
Granted (in shares) | shares	154
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 39.46
Vested (in shares) | shares	(44)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 24.93
Forfeited (in shares) | shares	(14)
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	$ 22.38
Balance (in shares) | shares	538
Balance, weighted average grant date fair value (in dollars per share) | $ / shares	$ 28.2