Note 7 - Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Details
Deferred Tax Assets, Inventory	$ 270	$ 110	$ 103
Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss	29	31	39
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	50	90	90
Deferred Tax Liabilities Depreciation and Amortization	(1,451)	(1,673)	(2,295)
Deferred Tax Liabilities, Net	$ (1,102)	$ (1,442)	$ (2,063)