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Note 2 - Detail of Certain Balance Sheet Accounts: Schedule of Accounts and Other Receivables (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Details    
Accounts Receivable, Gross, Current $ 3,993us-gaap_AccountsReceivableGrossCurrent $ 3,754us-gaap_AccountsReceivableGrossCurrent
Income Taxes Receivable, Current 787us-gaap_IncomeTaxesReceivable 620us-gaap_IncomeTaxesReceivable
Interest Receivable and Other Assets 36us-gaap_InterestReceivableAndOtherAssets 103us-gaap_InterestReceivableAndOtherAssets
Allowance for Doubtful Accounts Receivable, Current (113)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent (143)us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Accounts and Other Receivables, Net, Current $ 4,703us-gaap_AccountsAndOtherReceivablesNetCurrent $ 4,334us-gaap_AccountsAndOtherReceivablesNetCurrent