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Customers with 10% (or greater) of Net Revenues - Additional information (Detail) - Revenue [Member] - Customer Concentration Risk [Member]
3 Months Ended 9 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Customer One [Member]        
Percentage of concentration 15.20% 17.50%    
Customer Two [Member]        
Percentage of concentration 14.50%      
No Customer [Member]        
Percentage of concentration     10.00% 10.00%