Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Details
Finite-Lived Patents, Gross	$ 2,198	$ 2,212
Finite-Lived Noncompete Agreements, Gross	121	135
Finite-Lived Trademarks, Gross	8,887	9,930
Finite-Lived Customer Relationships, Gross	8,635	9,678
Other Finite-Lived Intangible Assets, Gross	21,000	21,000
Right-of-Use Asset	$ 395	$ 449
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Other intangible assets (note 2)	Other intangible assets (note 2)
Regulatory approvals & product certifications	$ 11,519	$ 12,910
Other intangible assets (note 2)	52,755	56,314
Other intangible assets - accumulated amortization	(42,378)	(38,552)
Finite-Lived Intangible Assets, Net	$ 10,377	$ 17,762