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7. Stockholders' Equity (Tables) | 12 Months Ended
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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 |

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