Note 1 - Nature of Operations and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Depreciation	$ 3,200	$ 3,200
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	3,905	(0)
Research and Development Expense	3,200	3,100
Advertising Expense	$ 7,200	6,900
Licensing Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	17 years
Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Trademarks [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member] \| Mexico Facility [Member]
Disposal Group, Including Discontinued Operation, Consideration	$ 6,600
Proceeds from Sale of Productive Assets	5,900
Escrow Deposit	700
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ 3,900
Minimum [Member] \| Customer Lists [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Minimum [Member] \| Patents [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Maximum [Member] \| Customer Lists [Member]
Finite-Lived Intangible Asset, Useful Life	15 years
Maximum [Member] \| Patents [Member]
Finite-Lived Intangible Asset, Useful Life	15 years
Building [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	20 years
Building [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	30 years
Machinery and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	5 years
Machinery and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	15 years
Tools, Dies and Molds [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	2 years
Tools, Dies and Molds [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Book Overdrafts Reclassified to Accrued Liabilities [Member]
Bank Overdrafts	$ 100	$ 3,400

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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