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Segment Reporting (Tables)
12 Months Ended
Dec. 31, 2014
Segment Reporting [Abstract]  
Segment Reporting
(in thousands) Year ended December 31, 2014
  Mt Hamilton Exploration Corporate and Other Consolidated
Exploration expense $       -    $  279  $     -    $     279 
Interest expense -   -   -   -  
Other (income) loss (1) -     50  1,514  1,564 
Pre-tax income (loss)   $       -   $(329) $(1,514) $  (1,843)
Total assets (2) $16,017  $    57  $2,966  $19,040 
Capital Expenditures (3) $  2,915  $    -     $    -      $  2,915 

(in thousands) Year ended December 31, 2013
  Mt Hamilton Exploration Corporate and Other Consolidated
Exploration expense $       -    $   797  $     -    $     797 
Interest expense -   -   -   -  
Other (income) loss (1)        (287)   784  887  1,384 
Pre-tax income (loss)   $       287  $(1,581) $(887) $  (2,181)
Total assets (2)(3) $14,283  $   784  $4,433  $19,500 
Capital Expenditures (4) $  3,094  $       5  $       4  $  3,103