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Other Assets (Tables)
6 Months Ended
Jun. 30, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Assets
(in thousands)  June 30, December 31,
  2016 2015
Furniture and Fixtures, net of accumulated depreciation   $   33    $ 41 
Vendetta Mining Corp Warrants 321  -  
Exploration bonds and other assets   4    4 
Total other assets $ 358  $ 45