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Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Aug. 24, 2021
Jun. 30, 2021
Sep. 30, 2020
Sep. 29, 2020
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Restricted Cash, Current $ 231,000   $ 231,000     $ 0                  
Equity Method Investments 0   0     0                  
Impairment Charge on Reclassified Assets $ 41,249                            
Impairment, Long-Lived Asset, Held-for-Use, Total   $ 0 $ 52,548 $ 0                      
Alaska Gold Torrent [Member]                              
Asset Acquisition Percentage of Interests Acquired         100.00%                    
The Joint Venture Company [Member]                              
Equity Method Investment, Ownership Percentage 30.00%   30.00%       30.00% 30.00%              
Equity Method Investments $ 0   $ 0     $ 0 $ 0   $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0