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Stockholders’ Equity
 3 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Stockholders’ Equity

 

7. Stockholders’ Equity

 

Stock Options

 

The following table presents a summary of activity during the three months ended September 30, 2021 with respect to our stock options:

 

          
       Weighted- 
       Average 
   Number of   Exercise Price 
   Shares   per Share 
   (In thousands)     
Balance of options outstanding at June 30, 2021   1,697   $2.98 
Granted   100    5.46 
Expired   (10)   1.98 
Exercised   (163)   2.15 
Balance of options outstanding at September 30, 2021   1,624   $3.22 

 

Restricted Stock Units (RSUs)

 

The following table presents a summary of activity during the three months ended September 30, 2021 with respect to our RSUs:

 

          
       Weighted- 
       Average 
       Grant Date 
   Number of   Fair Value 
   Shares   per Share 
    (In thousands)      
Balance of RSUs outstanding at June 30, 2021   918   $4.14 
Granted   427    6.18 
Vested   (121)   4.23 
Forfeited   (5)   4.53 
Balance of RSUs outstanding at September 30, 2021   1,219   $4.83 

 

Performance Stock Units (PSUs)

 

The following table presents a summary of activity during the three months ended September 30, 2021 with respect to our PSUs:

 

Schedule of other-than-option activity

   Number of
Shares		 
   (In thousands) 
Balance of PSUs outstanding at June 30, 2021   1,084 
Granted   569 
Vested   (629)
Balance of PSUs outstanding at September 30, 2021   1,024 

 

Employee Stock Purchase Plan (ESPP)

 

The following table presents a summary of activity during the three months ended September 30, 2021 under our ESPP:

Schedule of other-than-option activity

   Number of 
   Shares 
   (In thousands) 
Shares available for issuance at June 30, 2021   250 
Shares issued   – 
Shares available for issuance at September 30, 2021   250 

 

Share-Based Compensation Expense

 

The following table presents a summary of share-based compensation expense included in each functional line item on our accompanying unaudited condensed consolidated statements of operations:

 

          
   Three Months Ended 
   September 30, 
   2021   2020 
   (In thousands) 
Cost of revenue  $100   $58 
Selling, general and administrative   1,126    445 
Research and development   255    100 
Total share-based compensation expense  $1,481   $603 

 

The following table presents the remaining unrecognized share-based compensation expense related to our outstanding share-based awards as of September 30, 2021:

 

          
   Remaining   Remaining 
   Unrecognized   Weighted- 
   Compensation   Average Years 
   Expense   To Recognize 
    (In thousands)      
Stock options  $1,000    2.2 
RSUs   5,564    3.0 
PSUs   2,674    1.8 
Stock purchase rights under ESPP   43    0.1 
   $9,281      

 

If there are any modifications or cancellations of the underlying unvested share-based awards, we may be required to accelerate, increase or cancel remaining unearned share-based compensation expense. Future share-based compensation expense and unearned share-based compensation will increase to the extent that we grant additional share-based awards.