XML 30 R20.htm IDEA: XBRL DOCUMENT v3.7.0.1
Other Assets (Tables)
 6 Months Ended
Jun. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Other Assets
(in thousands)  June 30, December 31,
  2017 2016
Furniture and Fixtures, net of accumulated depreciation   $   30    $ 32 
Vendetta Mining Corp warrants 673  735 
Exploration bonds and other assets   4    4 
Total other assets $ 707  $ 771