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Subsequent Events (Details) - USD ($)
12 Months Ended
Sep. 16, 2021
Aug. 05, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Number of options granted     575,348 324,000  
Fair value of vested restricted common stock     $ 376,338 $ 340,961  
Employee stock options | Subsequent Event          
Number of options granted 33,195 30,882      
Fair value of stock options granted $ 46,000 $ 40,000      
Vesting period 3 years 3 years      
Term of stock options 10 years 10 years      
Restricted common stock          
Vesting period     3 years 3 years  
Number of shares of restricted common stock issued     195,810 110,817 2,166,549
Number of year(s) cliff vesting period     1 year 1 year  
Fair value of vested restricted common stock     $ 463,994 $ 322,875 $ 2,198,240
Restricted common stock | Subsequent Event          
Vesting period   3 years      
Number of shares of restricted common stock issued   115,909      
Number of year(s) cliff vesting period   1 year      
Fair value of vested restricted common stock   $ 306,000      
Market price per share   $ 2.64