Note 9 - Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Current
U.S. federal	$ (1)	$ (8)
State	(22)	103
Current Income Tax Expense (Benefit)	21	(111)
Deferred
U.S. federal	1,477	23,012
State	1,637	2,081
Deferred Federal, State and Local, Tax Expense (Benefit)	3,114	25,093
Valuation allowance increase	(3,114)	(25,093)
Total deferred expense (benefit)	0	0
Total income tax expense (benefit)	$ 21	$ (111)