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Condensed Statements of Operations (Unaudited) (Parentheticals) - $ / shares
3 Months Ended 9 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Income Statement [Abstract]        
Net loss per share Diluted $ (0.20) $ (0.17) $ (0.52) $ (0.54)
Number of shares used in per share calculations Diluted 17,578,871 16,193,442 16,740,546 15,927,734