3. Sales of Products: Schedule of sales of products by metal (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Details
Gold	$ 576,713	$ 1,320,966	$ 1,783,134	$ 2,048,474
Silver	4,011	7,720	7,985	11,305
Smelter and refining charges	(91,169)	(65,996)	(200,173)	(107,771)
Total revenue	489,555	1,262,690	1,590,946	1,952,008
Total	$ 489,555	$ 1,262,690	$ 1,590,946	$ 1,952,008

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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