Note 8 - Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current
Deferred Tax Assets, Inventory	$ 78	$ 78
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	26	26
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	121	65
Deferred Tax Assets, Other	30	27
Unrealized investment loss	108	107
Deferred Tax Assets, Net	363	303
Long-Term
Deferred Tax Assets, Other	(49)	(64)
Deferred Tax Liabilities Depreciation and Amortization	(5,412)	(6,511)
Deferred Tax Assets, Net	$ (5,461)	$ (6,575)