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7. Stockholders' Equity (Tables)
 12 Months Ended
Jun. 30, 2020
Schedule of share-based compensation expense by functional line item

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

 

    Years Ended June 30,  
    2020     2019  
      (In thousands)  
Cost of revenues   $ 227     $ 85  
Selling, general and administrative     2,959       1,441  
Research and development     453       345  
Total share-based compensation expense   $ 3,639     $ 1,871  
Schedule of unrecognized share-based compensation expense

The following table presents a summary of the remaining unrecognized share-based compensation expense related to our outstanding share-based awards as of June 30, 2020:

 

    Remaining Unrecognized Compensation Expense     Remaining Weighted-Average Years to Recognize  
      (In thousands)          
Stock options   $ 1,309       2.3  
RSUs     3,135       3.0  
PSUs     574       2.0  
Common stock purchase rights under ESPP     71       0.4  
Stock Options [Member]  
Schedule of Valuation Assumptions

The following weighted-average assumptions were used to estimate the fair value of all of our stock option grants:

 

    Years Ended June 30,  
    2020     2019  
Expected term (in years)     4.3       4.8  
Expected volatility     65%       67%  
Risk-free interest rate     1.56%       2.23%  
Dividend yield     0.00%       0.00%  
Summary of stock option activity

The following table presents a summary of activity for all of our stock options:

 

          Weighted-Average        
          Exercise     Remaining     Aggregate  
    Number of     Price     Contractual     Intrinsic  
    Shares     Per Share     Term     Value  
      (In thousands)               (In years)       (In thousands)  
Balance of options oustanding at June 30, 2019     3,147     $ 2.29                  
Options granted     249       3.34                  
Options forfeited     (181 )     2.35                  
Options expired     (84 )     2.18                  
Options exercised     (1,076 )     1.71                  
Balance of options outstanding at June 30, 2020     2,055     $ 2.72       4.3     $ 2,209  
Options exercisable at June 30, 2020     1,339     $ 2.35       3.7     $ 1,908  
Summary of option grant-date fair value and intrinsic value information

The following table presents a summary of grant date fair value and intrinsic value information for all of our stock options:

 

      Years Ended June 30,  
      2020     2019  
        (In thousands, except per share data)  
Weighted-average grant date fair value per share     $ 1.90     $ 2.15  
Intrinsic value of options exercised     $ 1,850     $ 2,400  
ESPP [Member]  
Schedule of Valuation Assumptions

The per share fair value of stock purchase rights granted under the ESPP was estimated using the following weighted-average assumptions:

 

    Years Ended June 30,  
    2020     2019  
Expected term (in years)     0.5       0.5  
Expected volatility     61%       79%  
Risk-free interest rate     1.00%       2.45%  
Dividend yield     0.00%       0.00%  
Summary of other-than-option activity

The following table presents a summary of activity under our ESPP during the fiscal year ended June 30, 2020:

 

    Year Ended  
    June 30, 2020  
      (In thousands, except per share data)  
Shares available for issuance at June 30, 2019     517  
Shares issued     (113 )
Shares available for issuance at June 30, 2020     404  
Weighted-average purchase price per share   $ 2.75  
Intrinsic value of ESPP shares on purchase date   $ 57  
Restricted Stock Units (RSUs) [Member]  
Summary of other-than-option activity

The following table presents a summary of activity with respect to our RSUs during the fiscal year ended June 30, 2020:

 

    Number of Shares     Weighted-Average Grant Date Fair Value per Share  
      (In thousands)          
Balance of RSUs outstanding at June 30, 2019     866     $ 4.24  
Granted     517       3.36  
Forfeited     (111 )     3.67  
Vested     (345 )     3.94  
Balance of RSUs outstanding at June 30, 2020     927     $ 3.93  
Performance Stock Units (PSUs) [Member]  
Summary of other-than-option activity

The following table presents a summary of activity with respect to our PSUs during the fiscal year ended June 30, 2020:

 

      Number of Shares  
        (In thousands)  
Balance of PSUs outstanding at June 30, 2019       –  
Granted       1,045  
Forfeited       (60 )
Vested       –  
Balance of PSUs outstanding at June 30, 2020       985