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Condensed Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2023
Jun. 30, 2022
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 11,666,471 11,592,173
Common stock, shares, outstanding 11,666,471 11,592,173
Series A convertible preferred stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 497,287 484,582
Preferred stock, shares outstanding 497,287 484,582