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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Accounts Receivable, Allowance for Credit Loss	$ 1,100	$ 700
Percentage of LIFO Inventory	67.00%	66.00%
Depreciation	$ 15,500	$ 15,900	$ 13,300
Goodwill, Impairment Loss	0	0	0
Advertising Expense	$ 4,500	$ 4,300	$ 3,300
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Major Customers	0	0	0

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