Note 12 - Share-based Compensation - Stock Option Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Outstanding, options (in shares)		953,176
Outstanding, weighted average exercise price (in dollars per share)		$ 14.73
Outstanding, weighted average remaining life (Year)	2 years 11 months 26 days	2 years 9 months 18 days
Outstanding, aggregate intrinsic value	$ 2,634	$ 1,718
Granted (in shares)	183,800
Granted, weighted average exercise price (in dollars per share)	$ 14.38
Exercised (in shares)	(123,595)
Exercised, weighted average exercise price (in dollars per share)	$ 10.71
Lapsed or cancelled (in shares)	(218,949)
Lapsed or cancelled, weighted average exercise price (in dollars per share)	$ 16.14
Outstanding, options (in shares)	794,432
Outstanding, weighted average exercise price (in dollars per share)	$ 14.89
Exercisable, options (in shares)	339,069
Exercisable, weighted average exercise price, options (in dollars per share)	$ 18.61
Exercisable, weighted average remaining life (Year)	1 year 11 months 4 days
Exercisable, aggregate intrinsic value, options	$ 570