Segment Information (Tables)

9 Months Ended

Sep. 30, 2019

Segment Information

Schedule of financial information relating to discontinued operations and continuing operations

							Exploration, El
			Costs		Depreciation,		Quevar, Velardeña
Three Months Ended			Applicable		Depletion and		and Administrative		Pre-Tax (gain)				Capital
September 30, 2019	Revenue		to Sales		Amortization		Expense		loss		Total Assets		Expenditures
Velardeña Properties	$	1,944	$	594	$	195	$	686	$	(276)			$	—
Corporate, Exploration and Other		—		—		75		1,995		2,027				1
	$	1,944	$	594	$	270	$	2,681	$	1,751			$	1
Nine Months Ended
September 30, 2019
Velardeña Properties	$	5,852	$	1,804	$	587	$	1,962	$	(959)	$	4,502	$	1
Corporate, Exploration and Other		—		—		227		6,916		7,519		6,731		27
	$	5,852	$	1,804	$	814	$	8,878	$	6,560	$	11,233	$	28
Three Months Ended
September 30, 2018
Velardeña Properties	$	1,900	$	657	$	243	$	561	$	(312)			$	3
Corporate, Exploration and Other		—		—		94		1,981		(1,274)				—
	$	1,900	$	657	$	337	$	2,542	$	(1,586)			$	3
Nine Months Ended
September 30, 2018
Velardeña Properties	$	5,267	$	1,685	$	616	$	1,754	$	(1,038)	$	6,084	$	31
Corporate, Exploration and Other		—		—		281		6,145		1,873		8,145		30
	$	5,267	$	1,685	$	897	$	7,899	$	835	$	14,229	$	61