v3.22.2.2
Summary of Business and Significant Accounting Policies - Concentration of Credit Risk (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2022
USD ($)
item
Jun. 30, 2021
USD ($)
customer
Concentration of Credit Risk    
Cash, cash equivalents and restricted cash $ 72,200  
Accounts Receivable    
Contract receivables    
Unbilled accounts receivable $ 770 $ 719
Sales | Customer Concentration Risk | Cisco Systems, Inc    
Concentration of Credit Risk    
Concentration risk, percentage 21.00% 21.00%
Sales | Customer Concentration Risk | BT PLC    
Concentration of Credit Risk    
Concentration risk, percentage 11.00% 13.00%
Accounts Receivable | Customer Concentration Risk    
Concentration of Credit Risk    
Number of partners and customers that accounted for more than ten percent of accounts receivables 3 3
Accounts Receivable | Customer Concentration Risk | Customer One    
Concentration of Credit Risk    
Concentration risk, percentage 26.00% 30.00%
Accounts Receivable | Customer Concentration Risk | Customer Two    
Concentration of Credit Risk    
Concentration risk, percentage 20.00% 17.00%
Accounts Receivable | Customer Concentration Risk | Customer Three    
Concentration of Credit Risk    
Concentration risk, percentage 13.00% 16.00%