Note 2 - Detail of Certain Balance Sheet Accounts: Detail of Certain Balance Sheet Accounts (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Details
Accounts Receivable, before Allowance for Credit Loss, Current	$ 4,239	$ 3,488
Accrued interest and other	(2)	53
Accounts Receivable, Allowance for Credit Loss, Current	(143)	(151)
Accounts and Other Receivables, Net, Current	4,094	3,390
Inventory, Finished Goods, Net of Reserves	1,913	1,685
Inventory, Work in Process, Gross	1,414	1,503
Inventory, Raw Materials, Gross	5,485	6,394
Inventories (note 2)	8,812	9,582
Effect of foreign exchange	(112)	338
Subtractions as a result of impairment	0	0
Total Goodwill as of December 31	13,580	13,692
Finite-Lived Patents, Gross	2,210	2,209
Finite-Lived Noncompete Agreements, Gross	125	127
Finite-Lived Trademarks, Gross	9,205	9,360
Finite-Lived Customer Relationships, Gross	8,952	9,108
Other Finite-Lived Intangible Assets, Gross	21,000	21,000
Operating Lease, Right-of-Use Asset	338	342
Regulatory approvals & product certifications	11,942	12,150
Other intangible assets (note 2)	53,772	54,296
Other intangible assets - accumulated amortization	(50,907)	(49,350)
Finite-Lived Intangible Assets, Net	2,865	4,946
Accrued income taxes payable (receivable)	(153)	327
Employee-related Liabilities, Current	1,148	1,294
Estimated Litigation Liability, Current	111	257
Other	1,955	2,063
Accrued expenses (note 2)	$ 3,061	$ 3,941