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Other Assets (Tables)
12 Months Ended
Dec. 31, 2018
Miscellaneous non-current assets [abstract]  
Schedule of other assets
Other assets consist of: 
 
 
December 31,
2018

 
December 31,
2017

Reclamation bonds
 
$
199

 
$
199

Lease receivable
 
1,903

 
81

Other assets
 
61

 
66

 
 
$
2,163

 
$
346