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Income Taxes - Reconciliation of Federal Statutory Tax Rate to Effective Tax Rate (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Reconciliation of statutory federal income tax to effective tax    
Federal statutory income tax rate $ (705) $ 253
Current state taxes, net of federal benefit 1,152 134
Foreign rate differential 559 98
Research and development credits 747 433
Foreign withholding tax (27) (63)
Stock-based compensation (136) (102)
Deferred return to provision (284) (213)
Other items (118) (12)
Net change in valuation allowance (1,726) 3,079
Foreign income (709)  
Expiration of tax attributes   (4,842)
Income tax provision $ (1,247) $ (1,235)