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Inventories, net (Tables)
 6 Months Ended
Jun. 30, 2018
Inventories, net  
Summary of Inventories

 

 

 

 

 

 

 

 

    

2018

    

2017

 

 

(in thousands)

Stockpiles - underground mine

 

$

1,165

 

$

1,450

Stockpiles - open pit mine

 

 

132

 

 

101

Concentrates and doré

 

 

2,123

 

 

2,367

Materials and supplies (1)

 

 

9,122

 

 

7,718

Total

 

$

12,542

 

$

11,636

Net of reserve for obsolescence of $734 and $743, respectively.