Note 9 - Incentive Plans - Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Outstanding (in shares)	13,449,061			11,517,228
Outstanding, average exercise price (in dollars per share)	$ 11.95			$ 12.2
Outstanding, remaining term (Year)	5 years 7 months 6 days		6 years 3 months 18 days	7 years 10 months 24 days
Outstanding, intrinsic value	$ 43,542		$ 47,672	$ 128,429
Awards granted (in shares)			1,949,000
Awards granted, average exercise price (in dollars per share)			$ 10.5
Shares issued upon options being exercised (in shares)	0	11,834	11,834
Exercised, average exercise price (in dollars per share)			$ 12.52
Forfeitures (in shares)	(4,999)		(5,333)
Forfeitures, average exercise price (in dollars per share)	$ 26.44		$ 24.83
Outstanding (in shares)	13,444,062		13,449,061
Outstanding, average exercise price (in dollars per share)	$ 11.95		$ 11.95
Vested (in shares)	13,444,062		13,387,074
Vested, average exercise price (in dollars per share)	$ 11.95		$ 11.88
Vested, remaining term (Year)	5 years 7 months 6 days		6 years 3 months 18 days
Vested, intrinsic value	$ 43,542		$ 47,672
Exercisable (in shares)	11,495,062		11,438,074
Exercisable, average exercise price (in dollars per share)	$ 12.19		$ 12.12
Exercisable, remaining term (Year)	6 years 2 months 12 days		6 years 10 months 24 days
Exercisable, intrinsic value	$ 36,954		$ 40,383