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Schedule of Property and Equipment (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Jun. 30, 2019
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 1,146 $ 298
Less: accumulated depreciation (62) (94)
Property and equipment, net 1,084 204
Furniture And Equipment    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 304 250
Leasehold Improvements    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 842 $ 48