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Share-based Compensation - Summary of Stock Option Activities (Details) - USD ($)
 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]        
Outstanding (in shares) 487,875 643,978 876,478  
Granted (in shares) 0 0 0  
Exercised (in shares) (98,000) (156,103) (2,500)  
Canceled or forfeited (in shares) 0 0 (230,000)  
Outstanding (in shares) 389,875 487,875 643,978 876,478
Options vested and expected to vest (in shares) 389,875      
Exercisable (in shares) 389,875      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]        
Outstanding (in dollars per share) $ 7.99 $ 8.79 $ 10.98  
Granted (in dollars per share) 0 0 0  
Exercised (in dollars per share) 9.15 11.31 10.50  
Canceled or forfeited (in dollars per share) 0 0 17.11  
Outstanding (in dollars per share) 7.70 $ 7.99 $ 8.79 $ 10.98
Options vested and expected to vest (in dollars per share) 7.70      
Exercisable (in dollars per share) $ 7.70      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Outstanding, Weighted Average Remaining Contractual Term (in years) 1 year 6 months 10 days 2 years 3 months 25 days 2 years 10 months 20 days 3 years 21 days
Options, vested and expected to vest, Weighted Average Remaining Contractual Term (in years) 1 year 6 months 10 days      
Exercisable, Weighted Average Remaining Contractual Term (in years) 1 year 6 months 10 days      
Aggregate Intrinsic Value, Exercised $ 3,936,675 $ 1,272,291 $ 4,726  
Aggregate Intrinsic Value, Outstanding 9,997,364      
Options, vested and expected to vest, outstanding, aggregate intrinsic value 9,997,364      
Exercisable, Intrinsic Value $ 9,997,364