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Subsequent Events (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2021
Jan. 31, 2021
Mar. 31, 2021
Jun. 30, 2021
Subsequent Event [Line Items]        
Proceeds from exercise of warrant       $ 7,500,018
Issuance of common stock for exercise of warrant     $ 7,500,018  
Subsequent Event        
Subsequent Event [Line Items]        
Proceeds from exercise of warrant $ 9,186,316      
Issuance of common stock for exercise of warrant 1,833,596      
Stock options, vesting period   3 years    
Subsequent Event | Provision of additional support of inhaled ZYESAMITM in phase 2/3 clinical trials        
Subsequent Event [Line Items]        
Related party costs $ 157,110