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Commitments and Contingencies, Licensing Agreements (Details)
12 Months Ended
Apr. 30, 2021
USD ($)
Apr. 15, 2021
USD ($)
Apr. 13, 2021
USD ($)
Dec. 31, 2021
USD ($)
Patents
Oct. 31, 2022
USD ($)
Oct. 31, 2021
USD ($)
Apr. 26, 2021
USD ($)
Novellus, Ltd. [Member] | Maximum [Member]              
Licensing Agreements [Abstract]              
Milestone payments       $ 51,000,000      
Licensors [Member]              
Licensing Agreements [Abstract]              
Non-refundable option fee     $ 500,000        
Initial license fees $ 4,000,000            
Amount require to pay of initial license fees   $ 1,000,000          
Amount obligated to pay in license agreement             $ 4,000,000
Additional fees obligated to pay in 2021           $ 2,500,000  
Minimum number of patent granted | Patents       70      
Number of maximum pending patents | Patents       60      
Licensors [Member] | Forecast [Member]              
Licensing Agreements [Abstract]              
Additional fees obligated to pay in 2022         $ 3,500,000    
NoveCite [Member]              
Licensing Agreements [Abstract]              
Percentage of revenue       50.00%      
University of South Florida [Member]              
Licensing Agreements [Abstract]              
Percentage of royalty payable       7.00%