Segment Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Information

Schedule of financial information relating to segments

							Exploration, El
			Costs		Depreciation,		Quevar, Velardeña
Three Months Ended			Applicable		Depletion and		and Administrative		Pre-Tax (gain)				Capital
September 30, 2017	Revenue		to Sales		Amortization		Expense		loss		Total Assets		Expenditures
Velardeña Properties	$	1,771	$	619	$	53	$	623	$	(2,016)			$	3
Corporate, Exploration & Other		—		—		85		1,609		2,334				2
	$	1,771	$	619	$	138	$	2,232	$	318			$	5
Nine Months Ended
September 30, 2017
Velardeña Properties	$	5,107	$	1,704	$	179	$	1,361	$	(3,667)	$	6,573	$	3
Corporate, Exploration & Other		—		—		277		4,820		5,518		8,329		2
	$	5,107	$	1,704	$	456	$	6,181	$	1,851	$	14,902	$	5
Three Months Ended
September 30, 2016
Velardeña Properties	$	1,729	$	549	$	249	$	509	$	(1,563)			$	15
Corporate, Exploration & Other		—		—		97		1,706		2,361				—
	$	1,729	$	549	$	346	$	2,215	$	798			$	15
Nine Months Ended
September 30, 2016
Velardeña Properties	$	4,768	$	1,478	$	982	$	2,100	$	(1,319)	$	8,370	$	35
Corporate, Exploration & Other		—		—		335		5,803		12,319		6,647		1
	$	4,768	$	1,478	$	1,317	$	7,903	$	11,000	$	15,017	$	36