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Business and Credit Concentrations (Details) - Accounts Receivable - Credit Concentration Risk - customer
9 Months Ended 12 Months Ended
Mar. 31, 2022
Jun. 30, 2021
Concentration risks    
Number of customers 3 3
customer One    
Concentration risks    
Concentration risk (as a percent) 13.00% 12.00%
customer Two    
Concentration risks    
Concentration risk (as a percent) 15.00% 19.00%
customer Three    
Concentration risks    
Concentration risk (as a percent) 13.00% 11.00%