Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Activity in the Allowance for Credit Losses (Details) - Trade Accounts Receivable [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024		Dec. 31, 2023
Balance	$ 3,184	$ 15,914		$ 14,060
Current period provision for expected credit losses	(150)	(1,430)		3,305
Write offs		(10,969)	[1]	(1,484)
Recoveries				490
Other		(331)		(457)
Balance	$ 3,034	$ 3,184		$ 15,914

[1] Primarily the write off of the remaining balance due from our Nigerian joint venture.