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Note 1 - Nature of Operations and Summary of Significant Accounting Policies: Trade Accounts Receivable: Schedule of Doubtful Accounts (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Details    
Allowance for Doubtful Accounts Receivable, Beginning Balance $ 277us-gaap_AllowanceForDoubtfulAccountsReceivable $ 324us-gaap_AllowanceForDoubtfulAccountsReceivable
Write-off of accounts receivable (47)us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs (159)us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Increase (reduction) in estimated losses on accounts receivable (13)us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease 112us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
Allowance for Doubtful Accounts Receivable, Ending Balance $ 217us-gaap_AllowanceForDoubtfulAccountsReceivable $ 277us-gaap_AllowanceForDoubtfulAccountsReceivable