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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2023
Jun. 30, 2022
Deferred tax assets:    
Net operating loss carryforwards $ 9,115 $ 14,637
Research credits 9,404 8,321
Deferred revenue 898 1,036
Stock-based compensation 4,500 2,899
Accruals and reserves 1,126 6,057
Lease liability 563 664
Other 152 104
Capitalized research and development 10,088  
Gross deferred tax assets 35,846 33,718
Less valuation allowance (34,139) (32,412)
Net deferred tax assets 1,707 1,306
Deferred tax liabilities:    
Right-of-use asset (601) (723)
Fixed assets (42) (69)
Gross deferred tax liabilities (643) (792)
Other Assets    
Deferred tax liabilities:    
Total deferred tax assets, net $ 1,064 $ 514