Note 15 - Share-based Compensation - Schedule of Option Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Outstanding (in shares)	3,977,289	2,516,924
Outstanding, weighted average exercise price (in dollars per share)	$ 4.64	$ 3.95
Outstanding, weighted average contractual life (Year)	6 years 10 months 24 days	7 years 8 months 12 days	7 years 8 months 4 days
Outstanding, aggregate intrinsic value	$ 1,307	$ 5,728	$ 6,917
Granted (in shares)	408,188	2,130,007
Granted, weighted average exercise price (in dollars per share)	$ 3.55	$ 5.81
Exercised (in shares)		(65,264)
Exercised, weighted average exercise price (in dollars per share)		$ 2.29
Canceled / forfeited (in shares)		(604,378)
Canceled / forfeited, weighted average exercise price (in dollars per share)		$ 6.13
Outstanding (in shares)	4,385,477	3,977,289	2,516,924
Outstanding, weighted average exercise price (in dollars per share)	$ 4.54	$ 4.64	$ 3.95
Options exercisable (in shares)	2,907,296
Options exercisable, weighted average exercise price (in dollars per share)	$ 4.59
Options exercisable, weighted average contractual life (Year)	6 years 8 months 12 days
Options exercisable, aggregate intrinsic value	$ 1,135
Options vested or expected to vest (in shares)	4,362,128
Options vested or expected to vest, weighted average exercise price (in dollars per share)	$ 4.54
Options vested or expected to vest, weighted average contractual life (Year)	6 years 10 months 24 days
Options vested or expected to vest, aggregate intrinsic value	$ 1,307