XML 40 R25.htm IDEA: XBRL DOCUMENT v3.20.4
Other Assets (Tables)
 12 Months Ended
Dec. 31, 2020
Other Assets [Abstract]  
Other assets
(in thousands)   December 31,  
    2020     2019  
Furniture and fixtures, net of accumulated depreciation   $ 34     $ 39  
Lik project equipment, net of accumulated depreciation     30       50  
Office lease asset     7       45  
Vendetta warrants     49       21  
Exploration bonds and other assets     4       4  
Total other assets   $ 124     $ 159