Note 7 - Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Details
Deferred Tax Assets, Inventory	$ 103	$ 88	$ 86
Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss	39	31	32
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	90	58	68
Deferred Tax Liabilities Depreciation and Amortization	(2,295)	(2,859)	(3,034)
Deferred Tax Liabilities, Net	$ (2,063)	$ (2,682)	$ (2,848)