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Summary of Significant Accounting Policies:Trade Accounts Receivables and Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Trade Accounts Receivables and Allowance for Doubtful Accounts |  |
Trade receivables, allowances | $ 1,062 | $ 945
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Top Ten Customers [Member] |  |
Concentration Risk [Line Items] |  |
Concentration Risk, Percentage | 37.00% |
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Customer One [Member] |  |
Concentration Risk [Line Items] |  |
Concentration Risk, Percentage | 11.00% | 12.00%
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Customer Two [Member] |  |
Concentration Risk [Line Items] |  |
Concentration Risk, Percentage | 13.00% | 15.00%

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