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Note 8 - Stock-based Awards: Share-based Compensation, Stock Options, Activity (Details) - $ / shares
9 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Details          
Outstanding 5,400,000   5,400,000 5,650,000 3,280,000
Weighted Average Exercise Price, Outstanding $ 0.17   $ 0.17 $ 0.17 $ 0.26
Granted   2,550,000      
Weighted Average Exercise Price, Granted   $ 0.08      
Expired (250,000) (180,000)      
Weighted Average Exercise Price, Expired   $ (0.48)