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Equity (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Nov. 15, 2021
Jun. 01, 2021
Dec. 07, 2020
Jul. 31, 2021
May 31, 2020
Jan. 31, 2022
Jan. 31, 2022
Jan. 31, 2021
Jan. 19, 2022
Aug. 19, 2021
May 27, 2021
Equity (Details) [Line Items]                      
Sale of stock issued         4,000,000            
Restricted stock units, description             On August 24, 2021, the Company issued 2,833,425 shares of Class B common stock (the “Institutional Shares”), par value $0.01 per share, to the Institutional Investors, at a purchase price equal to $35.00 per share, for aggregate gross proceeds of approximately $99.2 million, before deducting placement agent fees and other offering expenses.        
Shares issued 15,975,000                    
Amount of aggregate purchase price (in Dollars) $ 0.1878       $ 1,000,000            
Chief Executive Officer [Member]                      
Equity (Details) [Line Items]                      
Stock-based compensation expense (in Dollars)             $ 19,000,000        
Severance expense (in Dollars)             $ 5,000,000        
Board of Directors [Member]                      
Equity (Details) [Line Items]                      
Restricted shares granted             18,336 286,000      
Selling, general and administrative expense (in Dollars)             $ 151,000        
Stock Options [Member]                      
Equity (Details) [Line Items]                      
Total unrecognized compensation cost (in Dollars)           $ 4,700,000 $ 4,700,000        
Unrecognized compensation cost over next period             5 years        
Grants [Member]                      
Equity (Details) [Line Items]                      
Selling, general and administrative expense (in Dollars)           300,000          
Unamortized expense (in Dollars)           $ 2,300,000 $ 2,300,000        
Shares issued           105,602 105,602        
Restricted Stock [Member]                      
Equity (Details) [Line Items]                      
Total unrecognized compensation cost (in Dollars)           $ 1,800,000 $ 1,800,000        
Unrecognized compensation cost over next period             3 years 9 months        
Class B Common Stock [Member]                      
Equity (Details) [Line Items]                      
Sale of common stock (in Dollars)   $ 2,250,000                 $ 250,000,000
Sale of stock issued   48,859                  
Share issued                   112,501  
Share per price (in Dollars per share)                   $ 44.42  
Common stock share issued       16,947,066   19,051,500 19,051,500        
Proceeds from issuance of common stock (in Dollars)       $ 2,000,000              
Class B Common Stock [Member] | Board of Directors [Member]                      
Equity (Details) [Line Items]                      
Restricted shares granted             33,360 12,609      
Warrant [Member]                      
Equity (Details) [Line Items]                      
Shares issued 15,975,000                    
Amount of aggregate purchase price (in Dollars) $ 0.1878                    
Purchase of warrants granted, percentage             (20.00%)        
Warrants exercisable, description             The warrants are exercisable at a per share exercise price of $22.91, and are exercisable at any time on or after December 7, 2020 through June 6, 2022.        
Warrants outstanding           26,189 26,189        
Exercise price (in Dollars per share)           $ 22.91 $ 22.91        
Warrant [Member] | IDT [Member]                      
Equity (Details) [Line Items]                      
Warrants exercised       43,649              
Warrant [Member] | Class B Common Stock [Member]                      
Equity (Details) [Line Items]                      
Warrants to purchase           113,487 113,487        
Warrants exercised       87,298              
2018 Equity Incentive Plan [Member]                      
Equity (Details) [Line Items]                      
Issuance of restricted shares             5,000,000        
Options were granted             98,000,000        
Deducting transaction costs (in Dollars)             $ 6,200,000        
2021 Plan [Member]                      
Equity (Details) [Line Items]                      
Sale of stock issued             237,761        
Restricted shares (in Dollars)           $ 15,024          
Issuance of shares           1,666,240 1,666,240        
2021 Plan [Member] | Class B Common Stock [Member]                      
Equity (Details) [Line Items]                      
Common stock share issued                 1,919,025    
Equity Incentive Plan [Member] | Board of Directors [Member]                      
Equity (Details) [Line Items]                      
Restricted shares granted             15,024        
Securities Purchase Agreement [Member]                      
Equity (Details) [Line Items]                      
Proceeds from issuance of warrants (in Dollars)             $ 8,200,000        
Securities Purchase Agreement [Member] | Class B Common Stock [Member]                      
Equity (Details) [Line Items]                      
Sale of stock issued     567,437                
Sale of stock price per share (in Dollars per share)     $ 22.91                
Amount of aggregate purchase price (in Dollars)     $ 13,000,000                
Aggregate shares of common stock             218,245        
Cash consideration (in Dollars)             $ 5,000,000