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Stockholders' Equity (Tables) | 9 Months Ended
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Jun. 30, 2021
Equity [Abstract] |
Schedule of Stock-Based Compensation Expense Related to Stock Options and RSUs | The following table summarizes stock-based compensation expense related to RSUs, stock options, and ESPP shares, which was allocated as follows (amounts shown in thousands):
| Three Months Ended June 30, |  | Nine Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Cost of revenue | $ | 89 |  |  | $ | 73 |  |  | $ | 258 |  |  | $ | 199 |
Selling and marketing | 857 |  |  | 693 |  |  | 2,537 |  |  | 1,859 |
Research and development | 797 |  |  | 721 |  |  | 2,313 |  |  | 2,075 |
General and administrative | 1,124 |  |  | 1,014 |  |  | 3,474 |  |  | 2,979 |
Stock-based compensation expense included in expenses | $ | 2,867 |  |  | $ | 2,501 |  |  | $ | 8,582 |  |  | $ | 7,112 |
Schedule of Stock Option Activity | The following table summarizes stock option activity under the Company’s equity plans during the nine months ended June 30, 2021:
| Number of Shares |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Contractual Term (in Years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding at September 30, 2020 | 1,162,505 |  |  | $ | 7.51 |  |  | 6.1 |  | $ | 6,081 |
Granted | — |  |  | $ | — |  |  |  |  |
Exercised | (286,848) |  |  | $ | 7.67 |  |  |  |  |
Canceled | (15,910) |  |  | $ | 9.41 |  |  |  |  |
Outstanding at June 30, 2021 | 859,747 |  |  | $ | 7.42 |  |  | 5.8 |  | 10,178 |
Vested and Expected to Vest at June 30, 2021 | 859,747 |  |  | $ | 7.42 |  |  | 5.8 |  | 10,178 |
Exercisable at June 30, 2021 | 636,639 |  |  | $ | 6.68 |  |  | 5.1 |  | 8,007 |
Schedule of RSU Activity | The following table summarizes RSU activity under the Company’s equity plans during the nine months ended June 30, 2021:
| Number of Shares |  | Weighted-Average Fair Market Value Per Share
Outstanding at September 30, 2020 | 2,661,943 |  |  | $ | 7.95 |
Granted | 808,197 |  |  | 12.86 |
Settled | (917,354) |  |  | 7.51 |
Canceled | (138,132) |  |  | 8.89 |
Outstanding at June 30, 2021 | 2,414,654 |  |  | 9.70 |
Schedule of Performance RSU Activity | Performance Restricted Stock Units The following table summarizes Performance RSU activity under the Company’s equity plans during the nine months ended June 30, 2021:
| Number of Shares |  | Weighted-Average Fair Market Value Per Share
Outstanding at September 30, 2020 | 353,556 |  |  | $ | 6.06 |
Granted | 284,765 |  |  | 11.84 |
Settled | (90,345) |  |  | 6.06 |
Canceled | (19,252) |  |  | 6.06 |
Outstanding at June 30, 2021 | 528,724 |  |  | 9.17 |

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