Note 8 - Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Current
U.S. federal	$ 10	$ 0
State	83	(12)
Income tax benefit (provision)	93	(12)
Deferred
U.S. federal	937	4,068
State	(1)	78
Deferred Federal, State and Local, Tax Expense (Benefit), Total	936	4,146
Valuation allowance increase	(936)	(4,146)
Total deferred expense (benefit)	0	0
Total income tax expense (benefit)	$ 93	$ (12)