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MARKETABLE EQUITY SECURITIES (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Marketable Securities          
Carrying value of marketable securities $ 1,733 $ 373 $ 1,733 $ 3,082 $ 17,863
Change in fair value of marketable securities $ (1,350) $ (1,503) $ 2,510 $ 6,017 $ 1,418
TriStar          
Marketable Securities          
Stock that can be purchased by warrants (in shares)   19,640,000      
Goldon Resources Ltd          
Marketable Securities          
Investment shares owned (in shares)   250,000      
Mountain Boy Minerals Ltd          
Marketable Securities          
Investment shares owned (in shares)   1,242,500