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Stockholders' Equity - Number of shares held (Details) - shares
9 Months Ended
Jan. 26, 2021
Sep. 30, 2021
Neurotrope    
Class of Stock [Line Items]    
Ownership interest taken   51.00%
Metuchen    
Class of Stock [Line Items]    
Number of shares held   4,949,610
Ownership interest taken   49.00%
Common Stock    
Class of Stock [Line Items]    
Number of common stock issued upon conversion 60,606  
Common Stock | Neurotrope    
Class of Stock [Line Items]    
Number of shares held   4,758,045
Preferred Stock    
Class of Stock [Line Items]    
Number of preferred stock converted 500  
Preferred Stock | Neurotrope    
Class of Stock [Line Items]    
Number of shares held   500