COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2018

RENTAL EXPENSE, COMMITMENTS AND CONTINGENCIES

Schedule of minimum amounts under purchase commitments, long term leases covering office space, exploration expenditures, option payments on properties

	Payments due by period
	2019		2020		2021		2022		2023		Thereafter		Total
Operating lease obligations (office rent)	$	374	$	322	$	263	$	252	$	256	$	143	$	1,610
Operating lease obligations (mining and surface rights)		2,524		453		460		460		454		—		4,351
Exploration (including $14.9 million flow-through shares)		15,115		—		—		—		—		—		15,115
Construction		6,044		—		—		—		—		—		6,044
Reclamation costs(1)		726		1,561		2,890		5,860		141		33,211		44,389
Long-term debt		4,875		14,725		41,993		—		—		—		61,593
Total	$	29,658	$	17,061	$	45,606	$	6,572	$	851	$	33,354	$	133,102

(1) Amounts presented represent the undiscounted uninflated future payments.