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Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items]      
Amortization expense $ 0 $ 34,000 $ 35,000
Impairment of finite lived intangible assets   227  
S*Bio Patents      
Finite-Lived Intangible Assets [Line Items]      
Impairment of finite lived intangible assets   $ 200