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2. Summary of Significant Accounting Policies: Fair Value Measurements: Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques (Tables) | 12 Months Ended
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Dec. 31, 2017
Tables/Schedules |
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques |
| December 31, 2017 | December 31, 2016 | Fair Value Hierarchy
Liabilities: |  |  |  |  |
Forward gold contracts (Note 14) | $ | (920,579) | $ | (1,386,228) | 2

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- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, used to measure similar assets in prior periods (non-recurring basis) by class of asset or liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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