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Non-Cash Transactions - Additional Information (Details)
3 Months Ended
Sep. 30, 2021
shares
Sep. 30, 2020
ConvertibleNote
shares
Interest Accrued And Owing    
Nonmonetary Transaction [Line Items]    
Number of shares issued 168,690 183,395
2019 Secured Convertible Notes    
Nonmonetary Transaction [Line Items]    
Capital issued for conversion of debt to common stock (in shares)   200,000
Number of senior secured convertible notes converted | ConvertibleNote   200