Segment Information (Tables)

6 Months Ended

Jun. 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
June 30, 2017	Revenue		to Sales		Amortization		Expense		loss		Total Assets		Expenditures
Velardeña Properties	$	1,692	$	548	$	35	$	381	$	(877)			$	—
Corporate, Exploration & Other		—		—		95		1,510		912				—
	$	1,692	$	548	$	130	$	1,891	$	35			$	—
Six Months Ended
June 30, 2017
Velardeña Properties	$	3,336	$	1,085	$	126	$	738	$	(1,651)	$	7,326	$	—
Corporate, Exploration & Other		—		—		192		3,211		2,821		5,929		—
	$	3,336	$	1,085	$	318	$	3,949	$	1,170	$	13,255	$	—
Three Months Ended
June 30, 2016
Velardeña Properties	$	1,576	$	455	$	313	$	779	$	33			$	19
Corporate, Exploration & Other		—		—		108		2,444		3,882				1
	$	1,576	$	455	$	421	$	3,223	$	3,915			$	20
Six Months Ended
June 30, 2016
Velardeña Properties	$	3,039	$	929	$	733	$	1,589	$	244	$	7,111	$	19
Corporate, Exploration & Other		—		—		238		4,378		9,958		8,332		1
	$	3,039	$	929	$	971	$	5,967	$	10,202	$	15,443	$	20