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Inventories, net (Tables)

9 Months Ended

Sep. 30, 2021

Inventories, net

Summary of Inventories

​

​	​	​	​	​	​	​
​	​	As of		​	As of
​	​	September 30,		​	December 31,
​	​	2021		​	2020
​	​	(Unaudited)		​	​	​
​	​	(in thousands)
Stockpiles - underground mine	​	$	796	​	$	648
Stockpiles - open pit mine	​	​	-	​	​	41
Concentrates	​	​	1,745	​	​	1,919
Doré, net (1)	​	​	602	​	​	459
Subtotal - product inventories	​	​	3,143	​	​	3,067
Materials and supplies (2)	​	​	7,733	​	​	6,928
Total	​	$	10,876	​	$	9,995

(1) Net of reserve of nil and $368 at September 30, 2021 and December 31, 2020, respectively.

(2) Net of reserve for obsolescence of $209 both as of September 30, 2021 and December 31, 2020.

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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