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Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Details    
Accrued Income Taxes, Current $ 3 $ 453
Employee-related Liabilities, Current 946 1,032
Estimated Litigation Liability, Current 113 113
Other 1,941 752
Accrued expenses (note 2) $ 3,003 $ 2,350