Note 7 - Commitments and Contingencies: Schedule of Future Minimum Rental Payments for Operating Leases (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Details
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 83
Operating Leases, Future Minimum Payments, Due in Two Years	45
Operating Leases, Future Minimum Payments, Due in Three Years	45
Operating Leases, Future Minimum Payments, Due in Four Years	45
Operating Leases, Future Minimum Payments, Due in Five Years	45
Operating Leases, Future Minimum Payments, Due Thereafter	398
Operating Leases, Future Minimum Payments Due	$ 661