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Stockholders' Equity - Activity under 2005 Management Stock Option Plan (Detail) - $ / shares
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Options Outstanding    
Balance, ending 4,885,999  
Weighted Average Exercise Price    
Balance, ending $ 8.91  
2005 Management Stock Option Plan    
Stock-based compensation expense    
Right of repurchase, lapse rate with respect to shares granted 2.08%  
Shares Available for Grant    
Balance, beginning 71,983 68,649
Options Forfeited / Expired   3,334
Balance, ending 71,983 71,983
Options Outstanding    
Balance, beginning 826,717 1,172,517
Options Exercised   (342,466)
Options Forfeited / Expired   (3,334)
Balance, ending 826,717 826,717
Weighted Average Exercise Price    
Balance, beginning $ 3.29 $ 3.51
Options Exercised   4.08
Options Forfeited / Expired   1.75
Balance, ending $ 3.29 $ 3.29
2005 Management Stock Option Plan | Minimum    
Stock-based compensation expense    
Option granted at price not less than percentage of fair market value of the common stock on the date of grant 100.00%  
2005 Management Stock Option Plan | Maximum    
Stock-based compensation expense    
Exercisable period from the date of grant 10 years