Note 4 - Property and Equipment: Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Details
Land	$ 1,690	$ 1,725
Buildings and Improvements, Gross	14,172	14,531
Machinery and Equipment, Gross	16,660	16,750
Right-of-Use Asset	$ 449	$ 377
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Property and equipment, net (notes 4 and 10)	Property and equipment, net (notes 4 and 10)
Property and equipment, net (notes 4 and 10)	$ 11,067	$ 11,326
Construction in Progress, Gross	898	527
Property, Plant and Equipment, Gross	33,869	33,910
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ (22,802)	$ (22,584)

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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