Note 3 - Net Sales (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenue from Contract with Customer, Excluding Assessed Tax	$ 147,836	$ 144,045	$ 288,714	$ 281,142
Contract with Customer, Liability, Revenue Recognized			10,300
Bill and Hold Arrangements [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 8,000	$ 11,600	$ 17,800	$ 19,500

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details