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Overview and Basis of Presentation - Schedules of Concentration of Revenue and Accounts Receivable (Details) - Partner Concentration Risk
3 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Jul. 31, 2021
Partner A | Revenue          
Concentration Risk [Line Items]          
Concentration risk percentage 34.00% 33.00% 33.00% 32.00%  
Partner A | Accounts Receivable          
Concentration Risk [Line Items]          
Concentration risk percentage     37.00%   35.00%
Partner B | Revenue          
Concentration Risk [Line Items]          
Concentration risk percentage 15.00% 15.00% 14.00% 14.00%  
Partner B | Accounts Receivable          
Concentration Risk [Line Items]          
Concentration risk percentage     18.00%   23.00%
Partner C | Revenue          
Concentration Risk [Line Items]          
Concentration risk percentage     11.00% 10.00%  
Partner C | Accounts Receivable          
Concentration Risk [Line Items]          
Concentration risk percentage     12.00%    
Partner D | Accounts Receivable          
Concentration Risk [Line Items]          
Concentration risk percentage     11.00%