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Goodwill and Purchased Intangible Assets - Additional Information (Details) - USD ($)
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2017
Finite Lived Intangible Assets [Line Items]        
Impairment of goodwill $ 0 $ 0 $ 0  
Purchase of intangible assets   170,000    
Amortization expense $ 200,000 $ 200,000 $ 100,000  
Patent license        
Finite Lived Intangible Assets [Line Items]        
Useful Lives   2 years   7 years
Purchase of intangible assets   $ 170,000