UNAUDITED SUPPLEMENTARY QUARTERLY INFORMATION (Tables)

12 Months Ended

Dec. 31, 2019

UNAUDITED SUPPLEMENTARY QUARTERLY INFORMATION

Summary of unaudited supplementary quarterly information

	Three months ended
	March 31, 2019		June 30, 2019		September 30, 2019		December 31, 2019
	(unaudited) (in thousands, except per share)
Revenue from gold and silver sales	$	15,583	$	36,383	$	32,691	$	32,362
Gross profit		1,429		4,677		1,619		1,261
Net (loss)		(10,136)		(13,014)		(11,465)		(25,132)
Net (loss) per share:
Basic and diluted	$	(0.02)	$	(0.04)	$	(0.03)	$	(0.07)
Weighted average shares outstanding:
Basic and diluted		345,497		346,998		362,175		378,543

	Three months ended
	March 31, 2018		June 30, 2018		September 30, 2018		December 31, 2018
	(unaudited) (in thousands, except per share)
Revenue from gold and silver sales	$	41,041	$	33,806	$	26,896	$	26,432
Gross profit		14,228		9,092		6,013		2,749
Net (loss)		(5,211)		(5,380)		(13,290)		(20,989)
Net (loss) per share:
Basic and diluted	$	(0.02)	$	(0.02)	$	(0.04)	$	(0.06)
Weighted average shares outstanding:
Basic and diluted		337,062		337,087		337,278		337,936