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Other Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Other assets $ 154 $ 124
Vendetta Warrants [Member]    
Other assets 3 49
Furniture and Fixtures [Member]    
Other assets 65 34
Lik Project Equipment [Member]    
Other assets 10 30
Office Lease Asset [Member]    
Other assets 72 7
Exploration Bonds and Other Assets [Member]    
Other assets $ 4 $ 4