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Related Party Transactions (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jul. 31, 2023
shares
Feb. 09, 2023
USD ($)
$ / shares
shares
Jul. 06, 2022
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
shares
Oct. 31, 2023
USD ($)
ft²
shares
Oct. 31, 2022
USD ($)
Jul. 31, 2023
USD ($)
shares
May 22, 2023
USD ($)
Jun. 06, 2022
$ / shares
Related Party Transactions (Details) [Line Items]                  
Related party expenses         $ 78   $ 313    
Due to related parties         $ 78   $ 70    
Area of land (in Square Feet) | ft²         80,000        
Discontinued operations         $ 27        
Accrued interest               $ 2,000  
Maturity date               Nov. 30, 2023  
Approximately discontinued operations           $ 19      
Payroll costs         $ 20        
Revenue percentage         40.00% 44.00%      
Consideration amount       $ 5,000          
Warrants percentage       20.00%          
Shares issued (in Shares) | shares     3,225,806            
Price per share (in Dollars per share) | $ / shares     $ 1.86            
Aggregate sale price     $ 6,000            
Aggregate voting percentage 51.30%                
Ordinary shares, purchased (in Shares) | shares   70,000,000              
Ordinary shares, price per share (in Dollars per share) | $ / shares   $ 0.03              
Aggregate purchase price   $ 2,100              
Ownership percentage   95.00%              
Carrying amount of the noncontrolling interest   $ 16              
LipoMedix [Member]                  
Related Party Transactions (Details) [Line Items]                  
Noncontrolling interest percentage   5.00%              
Class B Common Stock [Member]                  
Related Party Transactions (Details) [Line Items]                  
Purchase of shares (in Shares) | shares       218,245          
Common stock, shares issued (in Shares) | shares 23,635,709       23,882,117   23,635,709    
Class A Common Stock [Member]                  
Related Party Transactions (Details) [Line Items]                  
Common stock, shares issued (in Shares) | shares 787,163       787,163   787,163    
Israel [Member]                  
Related Party Transactions (Details) [Line Items]                  
Area of land (in Square Feet) | ft²         3,600        
Chief Executive Officer [Member]                  
Related Party Transactions (Details) [Line Items]                  
Exercise price (in Dollars per share) | $ / shares                 $ 22.91
Chief Executive Officer [Member] | Class A Common Stock [Member]                  
Related Party Transactions (Details) [Line Items]                  
Common stock, shares issued (in Shares) | shares 787,163           787,163    
IDT [Member]                  
Related Party Transactions (Details) [Line Items]                  
Discontinued operations             $ 211    
IDT Owed [Member]                  
Related Party Transactions (Details) [Line Items]                  
Rent and parking expenses         $ 223   $ 210