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2. Basis of Presentation and Summary of signficiant accounting policies (Tables)
9 Months Ended
Mar. 31, 2021
Accounting Policies [Abstract]  
Schedule of fair value of liabilities

The following table presents information about the Company’s redeemable preferred stock, conversion feature, and warrant liabilities that are measured at fair value on a recurring basis as of March 31, 2021 and June 30, 2020:

 

   Level   March 31,
2021
   June 30,
2020
 
Conversion feature liabilities   3   $776,507   $ 
Redeemable preferred stock   3   $433,714   $ 
Warrant liabilities   3   $905,713   $