Note 6 - Leases and deferred gain on disposal of building assets: Schedule of Future Minimum Payments (Details) $ in Thousands	12 Months Ended
Dec. 31, 2018 USD ($)
Gain On Building
Gain on Leased Assets	$ (106)
Gain On Building \| First Year
Gain on Leased Assets	(106)
Gain on Land
Gain on Leased Assets	(264)
Gain on Land \| First Year
Gain on Leased Assets	(264)
Rent Expense
2019	105
Total	105
Minimum Lease Payments
2019	475
Total	$ 475

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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