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Mineral Property (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Extractive Industries [Abstract]        
Geologic and field expenses $ 91 $ 794 $ 204 $ 1,621
Administrative 21 21 65 59
Total exploration costs $ 112 $ 815 $ 269 $ 1,680