XML 74 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories (Tables)
 12 Months Ended
Dec. 31, 2017
Subclassifications of assets, liabilities and equities [abstract]  
Schedule of inventories
Inventories consist of: 
 
 
December 31,
2017

 
December 31,
2016

Concentrate inventory
 
$
11,582

 
$
12,891

Stockpile ore (1)
 
16,209

 
31,964

Heap leach inventory and in process (2)
 
108,509

 
109,705

Doré and finished inventory (3)
 
35,054

 
36,864

Materials and supplies
 
47,361

 
45,905

 
 
$
218,715

 
$
237,329

(1)
Includes an impairment charge of $10.0 million to reduce the cost basis of inventory to NRV at Manantial Espejo mine (December 31, 2016 – $6.0 million at Manantial Espejo and Dolores mines).
(2)
Includes an impairment charge of $10.3 million to reduce the cost basis of inventory to NRV at Manantial Espejo and Dolores mines (December 31, 2016 - $1.5 million at Manantial Espejo mine).
(3)
Includes an impairment charge of $2.9 million to reduce the cost basis of inventory to NRV at Manantial Espejo mine at December 31, 2017. (December 31, 2016 - $3.4 million at Manantial Espejo and Alamo Dorado mines).