Note 5 - Acquired Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2024				2023
In Thousands	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Patents		24,715		24,533		24,715		24,410
Non-compete agreements		2,749		2,749		2,749		2,749
Customer list		22,017		13,122		22,017		11,466
Trade names		18,636		1,875		18,636		1,339
Developed technology		475		475		475		475
License agreements		700		700		700		213
		69,292		43,454		69,292		40,652

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

All Amounts in Thousands
2025	$	2,265
2026		2,218
2027		2,132
2028		1,482
2029		1,374
Thereafter		8,583
Subtotal		18,054
Indefinite-lived intangible asset balance		7,784
Total	$	25,838