CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) $ / shares shares	Mar. 31, 2016 USD ($) $ / shares shares
REVENUE:
Gold and silver sales	$ 14,833	$ 21,190
Total Revenue	14,833	21,190
COSTS AND EXPENSES:
Production costs applicable to sales	6,984	9,067
Mine development costs	1,115	698
Exploration costs	8,444	1,740
Property holding costs	1,188	1,147
General and administrative	4,293	2,768
Depreciation	327	239
Revision of estimates and accretion of as reclamation obligations (note 6)	105	124
Income from investment in Minera Santa Cruz S.A., net of amortization (note 5)	(190)	(4,963)
Total costs and expenses	22,266	10,820
Operating (loss) income	(7,433)	10,370
OTHER INCOME (EXPENSE):
Interest income (expense) and other income (expense)	(68)	228
Gain on sale of assets	11
Gain on sale of marketable equity securities (note 2)		22
Other-than-temporary impairment on marketable equity securities (note 2)		(285)
Unrealized gain on derivatives (note 2)	1,791
Foreign currency gain	25	783
Total other income	1,759	748
(Loss) Income before income taxes	(5,674)	11,118
Income taxes recovery (note 7)	(2,656)	(1,867)
Net (loss) income	(3,018)	12,985
OTHER COMPREHENSIVE INCOME:
Unrealized gain (loss) on available-for-sale securities, net of taxes	3,875	(124)
Comprehensive income	$ 857	$ 12,861
Net (loss) income per share (note 9):
Basic (in dollars per share) | $ / shares	$ (0.01)	$ 0.04
Diluted (in dollars per share) | $ / shares	$ (0.01)	$ 0.04
Weighted average common shares outstanding (thousands) (note 9):
Basic (in shares) | shares	299,575	298,242
Diluted (in shares) | shares	299,575	298,554
Return of capital distribution declared per common share (note 8) | $ / shares	0.005	0.005