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Stockholders’ Equity (Tables)
 12 Months Ended
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of stock option activity
                    
       Weighted-Average     
       Exercise   Remaining   Aggregate 
   Number of   Price   Contractual   Intrinsic 
   Shares   Per Share   Term   Value 
   (In thousands)       (In years)   (In thousands) 
Balance of options outstanding at June 30, 2020   2,055   $2.72           
Options granted   50    4.41           
Options forfeited   (38)   1.81           
Options expired   (18)   2.20           
Options exercised   (352)   1.79           
Balance of options outstanding at June 30, 2021   1,697   $2.98    3.9   $3,699 
Options exercisable at June 30, 2021   1,278   $2.71    3.5   $3,123 
Summary of option grant-date fair value and intrinsic value information
          
   Years Ended June 30, 
   2021   2020 
   (In thousands,
except per share data)		 
Weighted-average grant date fair value per share  $2.84   $1.90 
Intrinsic value of options exercised  $1,110   $1,850 
Summary of other-than-option activity
     
   Year Ended 
   June 30, 2021 
   (In thousands, except per share data) 
Shares available for issuance at June 30, 2020   404 
Shares issued   (154)
Shares available for issuance at June 30, 2021   250 
Weighted-average purchase price per share  $3.36 
Intrinsic value of ESPP shares on purchase date  $225 
Schedule of share-based compensation expense by functional line item
          
           
   Years Ended June 30, 
   2021   2020 
   (In thousands) 
Cost of revenues  $281   $227 
Selling, general and administrative   2,719    2,959 
Research and development   584    453 
Total share-based compensation expense  $3,584   $3,639 
Schedule of unrecognized share-based compensation expense
          
   Remaining Unrecognized Compensation Expense   Remaining Weighted-Average Years to Recognize 
   (In thousands)     
Stock options  $864    1.7 
RSUs   3,404    2.6 
PSUs   958    1.5 
Common stock purchase rights under ESPP   86    0.4 
Options Held [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Valuation Assumptions
          
   Years Ended June 30, 
   2021   2020 
Expected term (in years)   7.0    4.3 
Expected volatility   69%    65% 
Risk-free interest rate   0.59%    1.56% 
Dividend yield   0.00%    0.00% 
Restricted Stock Units (RSUs) [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of other-than-option activity
          
   Number of Shares   Weighted-Average Grant Date Fair Value per Share 
   (In thousands)     
Balance of RSUs outstanding at June 30, 2020   927   $3.93 
Granted   400    4.69 
Forfeited   (45)   3.00 
Vested   (364)   3.77 
Balance of RSUs outstanding at June 30, 2021   918   $4.14 
Performance Stock Units P S U [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary of other-than-option activity
     
   Number of Shares 
   (In thousands) 
Balance of PSUs outstanding at June 30, 2020   985 
Granted   415 
Forfeited   (115)
Vested   (201)
Balance of PSUs outstanding at June 30, 2021   1,084 
Employee Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Valuation Assumptions
          
   Years Ended June 30, 
   2021   2020 
Expected term (in years)   0.5    0.5 
Expected volatility   62%    61% 
Risk-free interest rate   0.08%    1.00% 
Dividend yield   0.00%    0.00%