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Note 1 - Nature of Operations and Summary of Significant Accounting Policies: Restricted Cash: Schedule of Restricted Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Text Block [Abstract]      
Cash and cash equivalents $ 5,962 $ 8,365  
Restricted cash 31 220  
Total cash, cash equivalents, and restricted cash shown in the statements of cash flows $ 5,993 $ 8,585 $ 5,588