13. Asset Retirement Obligation: Schedule of Asset Retirement Obligations (Details)	3 Months Ended
Mar. 31, 2019 USD ($)
Details
Balance at beginning of period	$ 154,292
Asset Retirement Obligation, Period Increase (Decrease)	2,218
Asset Retirement Obligation	$ 156,510

Represents the monetary amount of Balance at beginning of period, as of the indicated date.

No definition available.

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

+ Details

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- Definition

Amount of increase (decrease) in asset retirement obligations.

+ References

+ Details

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- References

No definition available.

+ Details

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