Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) Pure in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Accounts Receivable, Allowance for Credit Loss	$ 1,800	$ 3,500
Contract with Customer, Refund Liability	1,500	2,100
Advertising Expense	16,600	15,400	$ 17,900
Operating Expenses	143,226	181,181	158,564
Shipping and Handling [Member]
Operating Expenses	$ 25,100	$ 38,500	$ 25,100
Minimum [Member]
Revenue From Contract /with Customer, Payment Term (Day)	30 days
Maximum [Member]
Revenue From Contract /with Customer, Payment Term (Day)	120 days
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Major Customers	0	0