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Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Revenue - mineral property sale	$ 502		$ 502
Costs, expenses and other:
Exploration expense	162	188	342	339
Depreciation and amortization	6	1	12	2
General and administrative	762	560	1,165	860
Total costs, expenses and other	930	749	1,519	1,201
Interest income (net)	37	30	63	76
Unrealized (loss) gain on marketable equity securities	(222)	333	(663)	461
Gain on derivative instruments		113		285
Total other (loss) income	(185)	476	(600)	822
Net Loss	$ (613)	$ (273)	$ (1,617)	$ (379)
Basic and diluted	$ (0.01)	$ (0.01)	$ (0.03)	$ (0.01)
Weighted average shares outstanding:
Basic and diluted	58,390	38,655	58,439	38,678

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Exploration expenses (including prospecting) related to the mining industry would be included in operating expenses. Exploration costs include costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of mineral reserves.

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Aggregate net gain and losses (whether realized or unrealized) on all derivative instruments held for trading purposes whether or not settled physically.

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