Inventories (Tables)

12 Months Ended

Dec. 31, 2022

Inventories

Summary of Inventories

	As of		As of
	December 31,		December 31,
	2022		2021
	(in thousands)
Stockpiles - underground mine	$	597	$	-
Concentrates		3,271		2,048
Doré, net		653		452
Subtotal - product inventories		4,521		2,500
Materials and supplies (1)		8,979		7,861
Total	$	13,500	$	10,361

(1) Net of reserve for obsolescence of $0.1 million and $0.4 million as of December 31, 2022 and 2021, respectively.