Note 4 - Property and Equipment: Property Plant and Equipment by Location (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Land	$ 1,638	$ 1,593
Buildings and Improvements, Gross	13,907	13,601
Machinery and Equipment, Gross	17,315	17,068
Construction in Progress, Gross	1,413	906
Property, Plant and Equipment, Gross	34,273	33,168
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(23,722)	(22,944)
Property and equipment, net (notes 4 and 10)	10,551	10,224
U.S. and Canada
Land	621	621
Buildings and Improvements, Gross	6,584	6,566
Machinery and Equipment, Gross	15,075	14,950
Construction in Progress, Gross	913	412
Property, Plant and Equipment, Gross	23,193	22,549
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(18,701)	(18,369)
Property and equipment, net (notes 4 and 10)	4,492	4,180
England and Australia
Land	637	605
Buildings and Improvements, Gross	3,194	3,043
Machinery and Equipment, Gross	732	693
Construction in Progress, Gross	3	0
Property, Plant and Equipment, Gross	4,566	4,341
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(1,464)	(1,229)
Property and equipment, net (notes 4 and 10)	3,102	3,112
IRELAND
Land	380	367
Buildings and Improvements, Gross	4,129	3,992
Machinery and Equipment, Gross	1,508	1,425
Construction in Progress, Gross	497	494
Property, Plant and Equipment, Gross	6,514	6,278
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(3,557)	(3,346)
Property and equipment, net (notes 4 and 10)	$ 2,957	$ 2,932