XML 34 R20.htm IDEA: XBRL DOCUMENT v3.6.0.2
Mineral Properties (Tables)
 12 Months Ended
Dec. 31, 2016
Extractive Industries [Abstract]  
Investment in Mineral Property
(in thousands) December 31,
  2016 2015
Exploration    
   La Promesa (Peru) $  6  $ 6 
   Montana Royalty property (US) 40  -   
   Canta Colorado (Peru) -    3 
   Norcan (Mexico) -    5 
   Aconchi (Mexico) -    5 
     
     Total exploration mineral property   $46    $19 
Development Costs
(in thousands)

Year ended

December 31,

  2015
Development expenditures $692 
Capitalized interest   493 
Property payments   190 
Capitalized depreciation 7 
  Total capitalized costs $ 1,382 
Exploration Expense
 

For the year ended

December 31,

(in thousands) 2016 2015
Geologic and field expenses $537  $31 
Administrative 91  58 
  Total exploration expense $628  $89