Note 15 - Stock-based Compensation - Summary of Options Outstanding (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Options outstanding, shares (in shares)	588,534	445,144	374,926
Options outstanding, weighted average exercise price (in dollars per share)	$ 61.3	$ 66.62	$ 72.95
Options granted, shares (in shares)	297,783	299,278	302,266
Options granted, weighted average exercise price (in dollars per share)	$ 94.42	$ 54.44	$ 64.72
Options exercised, shares (in shares)	(219,973)	(103,481)	(32,597)
Options exercised, weighted average exercise price (in dollars per share)	$ 64.73	$ 64.72	$ 64.49
Options cancelled, shares (in shares)	(35,102)	(52,407)	(199,451)
Options cancelled, weighted average exercise price (in dollars per share)	$ 79.2	$ 60.58	$ 75.98
Options outstanding, shares (in shares)	631,242	588,534	445,144
Options outstanding, weighted average exercise price (in dollars per share)	$ 74.73	$ 61.3	$ 66.62
Options outstanding, aggregate intrinsic value	$ 20,720,547
Options exercisable, shares (in shares)	151,439
Options exercisable, weighted average exercise price (in dollars per share)	$ 63.8
Options exercisable, aggregate intrinsic value	$ 6,627,473