Note 12 - Stockholders' Equity - Summary of RSU Transactions (Details) - Restricted Stock Units (RSUs) [Member]	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Non-vested, shares (in shares) | shares	271,951
Non-vested outstanding, weighted average grant date fair value (in dollars per share) | $ / shares	$ 68.9
Granted, shares (in shares) | shares	170,140
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 51.55
Vested, shares (in shares) | shares	(86,083)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 69.43
Forfeited, shares (in shares) | shares	(22,292)
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares	$ 52.56
Non-vested, shares (in shares) | shares	333,716
Non-vested outstanding, weighted average grant date fair value (in dollars per share) | $ / shares	$ 61.01