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Share Based Awards - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Oct. 23, 2018
Dec. 29, 2016
Aug. 11, 2014
Jan. 27, 2020
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2020
Aug. 31, 2019
Aug. 31, 2017
Aug. 31, 2015
Oct. 31, 2005
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Outstanding stock options         2,940,100   3,001,350        
Total share-based compensation         $ 5,393,000 $ 4,891,000          
Fair value of options vested         $ 1,378,000 1,494,000          
Percentage of performance stock units tied to 3-year total shareholder return 34.00%                    
Percentage of performance stock units tied to fiscal year 2021 revenue 33.00%                    
Percentage performance stock units tied to fiscal year 2021 adjusted earnings per share goals 33.00%                    
Percentage of performance stock units tied to fiscal year 2021 revenue goal       80.00%              
Percentage of performance stock units tied to fiscal year 2022 revenue goal       20.00%              
2005 Employee Stock Option and Incentive Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Common stock reserved for issuance                     4,800,000
Outstanding stock options         178,270            
2015 Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Common stock reserved for issuance               3,575,000 6,000,000    
Common stock reserved                   11,500,000  
Shares available for future grant         5,165,192            
Employee Share Purchase Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Common stock reserved for issuance     4,000,000   3,343,432            
Total share-based compensation         $ 164,000 122,000          
Maximum percentage of gross payroll deduction     15.00%                
Purchase price as a percentage of fair market value     90.00%                
Maximum shares purchase in a single transaction     1,500                
Maximum amount purchased in a calendar year     $ 25,000                
Shares issued         656,568            
Employee Stock Options                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Outstanding stock options         2,761,830            
Total share-based compensation         $ 732,000 974,000          
Total unrecognized compensation costs         $ 3,372,000            
Stock option recognized over weighted average period (in years)         1 year 3 months 18 days            
Employee Stock Options | 2005 Employee Stock Option and Incentive Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Expiration period (in years)         10 years            
Share-based compensation award plan , expiration date         May 25, 2015            
Employee Stock Options | 2015 Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Expiration period (in years)         10 years            
Restricted Stock                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number         2,431,306            
Performance Shares | 2015 Plan                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number         23,186            
Restricted Stock                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number         2,431,306   2,312,780        
Total share-based compensation         $ 4,039,000 3,296,000          
Stock option recognized over weighted average period (in years)         2 years 1 month 6 days            
Total unrecognized compensation costs         $ 30,271,000            
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures         720,186            
Restricted Stock | Minimum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting period         1 year            
Restricted Stock | Maximum                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Vesting period         3 years            
Performance Stock Awards | Awards Granted On December 2016                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Total share-based compensation         $ 61,000 61,000          
Vesting period         4 years            
Number of shares granted   123,082                  
Performance Stock Awards | 2015 Plan | Awards Granted On December 2016                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number         23,186            
Performance Stock Units | Units Granted On October 2018                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Total share-based compensation         $ 114,000 $ 114,000          
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures 248,140                    
Percentage of shares issued, minimum 50.00%                    
Percentage of shares issued, maximum 200.00%                    
Weighted-average grant date fair value $ 17.84                    
Performance Stock Units | Units Granted On December 2019 and January 2020                      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                      
Total share-based compensation         $ 281,000            
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures       279,587              
Percentage of shares issued, minimum       50.00%              
Percentage of shares issued, maximum       150.00%              
Weighted-average grant date fair value       $ 16.02              
Vesting period for the 3-year total shareholder return       3 years