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Note 1 - Summary of Significant Accounting Policies: Stock-based Compensation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Details |  |  |
Share-based Payment Arrangement, Expense | $ 113 | $ 64 | $ 129

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