Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Details
Finite-Lived Patents, Gross	$ 2,209	$ 2,198
Finite-Lived Noncompete Agreements, Gross	127	121
Finite-Lived Trademarks, Gross	9,360	8,887
Finite-Lived Customer Relationships, Gross	9,108	8,635
Other Finite-Lived Intangible Assets, Gross	21,000	21,000
Right-of-Use Asset	$ 342	$ 395
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Other intangible assets (note 2)	Other intangible assets (note 2)
Regulatory approvals & product certifications	$ 12,150	$ 11,519
Other intangible assets (note 2)	54,296	52,755
Other intangible assets - accumulated amortization	(49,350)	(42,378)
Finite-Lived Intangible Assets, Net	$ 4,946	$ 10,377