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Intangible Assets - Additional Information (Details) - USD ($)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]      
Impairment of intangible assets $ 0 $ 0 $ 0
Amortization of intangible assets $ 119,000 $ 0 $ 0