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COMMITMENTS AND CONTINGENCIES, Licensing Agreements (Details)
$ in Millions
3 Months Ended
Apr. 30, 2021
USD ($)
Apr. 15, 2021
USD ($)
Apr. 13, 2021
USD ($)
Mar. 31, 2022
USD ($)
Patents
Oct. 31, 2022
USD ($)
Oct. 31, 2021
USD ($)
Apr. 26, 2021
USD ($)
Novellus, Ltd. [Member] | Maximum [Member]              
Licensing Agreements [Abstract]              
Milestone payments       $ 51.0      
Licensors [Member]              
Licensing Agreements [Abstract]              
Non-refundable option fee     $ 0.5        
Initial license fees $ 4.0            
Amount require to pay of initial license fees   $ 1.0          
Amount obligated to pay in license agreement             $ 4.0
Additional fees obligated to pay in 2021           $ 2.5  
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         $ 3.5    
NoveCite [Member]              
Licensing Agreements [Abstract]              
Percentage of revenue       50.00%      
University of South Florida [Member]              
Licensing Agreements [Abstract]              
Percentage of royalty payable       7.00%