Inventories, net (Tables)

6 Months Ended

Jun. 30, 2020

Inventories

Summary of Inventories

	2020		2019
	(in thousands)
Stockpiles - underground mine	$	520	$	3,968
Stockpiles - open pit mine		321		833
Leach pad		15,227		9,103
Concentrates		1,937		1,340
Doré (1)		1,879		1,581
Subtotal - product inventories		19,884		16,825
Materials and supplies (2)		7,150		7,306
Total	$	27,034	$	24,131

(1) Net of reserve of $378 and $478 at June 30, 2020 and December 31, 2019, respectively.

(2) Net of reserve for obsolescence of $1,264 as of June 30, 2020 and December 31, 2019.