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Weighted average exercise prices related to Canadian dollar denominated warrants were converted to U.S. dollars using end of period foreign currency exchange rates. (Details) - $ / shares
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Equity [Abstract]      
Balance at beginning 1,851,622 1,434,183 1,237,645
Balance at beginning average price $ 8.99 $ 9.36 $ 5.43
Nordmin warrants     50,000
Nordmin warrants average price     $ 6.45
Lind III Warrants     855,800
Lind III warrants average price     $ 7.83
April 2021 private placement     441,211
April 2021 private placement average price     $ 13.15
Exercised   (87,175) (910,628)
Exercised average price $ 11.67 $ 6.05 $ 6.05
Expired (491,211)   (239,845)
Expired average price     $ 5.89
June 2022 private placement   504,614  
June 2022 private placement average price   $ 8.54  
Yorkville financing warrants 1,789,267    
Yorkville financing warrants average price $ 8.94    
GXII warrants 15,666,626    
GXII warrant average price $ 11.50    
Balance at ending 18,816,304 1,851,622 1,434,183
Balance at ending average price $ 10.98 $ 8.99 $ 9.36