Mineral Property Interests (Schedule of Mineral Property Interests) (Details)	12 Months Ended
Dec. 31, 2017 USD ($)
Mineral Industries Disclosures [Abstract]
Balance at January 1, 2017	$ 1
Rollo Property	25,000
Janes Reef Property	16,000
Asquith Property	10,000
C1 Mortimer Property	941,461
Impairment charge	(992,461)
Balance at December 31, 2017 and June 30, 2018	$ 1

Carrying amount at the balance sheet date of mineral properties, gross of adjustments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_MineralPropertiesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant