Revenue (Tables)

9 Months Ended

Sep. 30, 2022

Revenue

Revenue from the sale of dore and concentrate

	For the three months ended September 30,					For the nine months ended September 30,
	2022		2021			2022		2021
	(in thousands)					(in thousands)
Doré sales, net
Gold	$	1,517		$	1,634	$	5,245	$	6,816
Silver		46			38		123		643
Less: Refining charges		(18)			(21)		(35)		(112)
Total doré sales, net		1,545			1,651		5,333		7,347
Concentrate sales
Gold		7,592			8,709		35,983		22,904
Silver		4,266			6,179		15,497		19,443
Copper		2,164			2,447		8,969		9,547
Lead		2,075			3,641		9,670		8,641
Zinc		10,003			9,187		40,672		27,193
Less: Treatment and refining charges		(2,842)			(2,307)		(8,710)		(8,098)
Total concentrate sales, net		23,258			27,856		102,081		79,630
Realized (loss) gain - embedded derivative, net (1)		(1,212)			(246)		814		204
Unrealized gain (loss) - embedded derivative, net		278			(232)		(1,878)		(48)
Total sales, net	$	23,869		$	29,029	$	106,350	$	87,133

(1) Copper, lead, and zinc are co-products. In the Realized gain - embedded derivative, net, there are $0.9 million loss and $0.8 million gain, respectively, related to these co-products for the three and nine months ended September 30, 2022. There are $0.2 and $0.5 million, respectively, in the Realized gain - embedded derivative, net, related to the co-products for the three and nine months ended September 30, 2021.