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STOCKHOLDERS’ EQUITY (Tables) | 12 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Schedule of Stock-Based Compensation Expense | The following table summarizes stock-based compensation expense related to RSUs, stock options, and ESPP shares for the twelve months ended September 30, 2023, 2022, and 2021, which were allocated as follows (amounts in thousands):
| 2023 |  | 2022 |  | 2021
Cost of revenue | $ | 468 |  |  | $ | 289 |  |  | $ | 339 |
Selling and marketing | 3,023 |  |  | 4,383 |  |  | 3,399 |
Research and development | 2,757 |  |  | 3,701 |  |  | 3,218 |
General and administrative | 4,215 |  |  | 4,973 |  |  | 4,576 |
Stock-based compensation expense included in expenses | $ | 10,463 |  |  | $ | 13,346 |  |  | $ | 11,532 |
Schedule of Stock Option Activity | The following table summarizes stock option activity under the Company’s equity plans during the twelve months ended September 30, 2023, 2022, and 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 | (329,878) |  |  | $ | 7.63 |  |  |  |  | $ | 2,670 |
Canceled | (15,910) |  |  | $ | 9.41 |  |  |  |  |
Outstanding at September 30, 2021 | 816,717 |  |  | $ | 7.42 |  |  | 5.8 |  | $ | 9,046 |
Granted | — |  |  | $ | — |  |  |  |  |
Exercised | (35,625) |  |  | $ | 6.68 |  |  |  |  | $ | 279 |
Canceled | — |  |  | $ | — |  |  |  |  |
Outstanding at September 30, 2022 | 781,092 |  |  | $ | 7.46 |  |  | 3.7 |  | $ | 1,512 |
Granted | — |  |  | $ | — |  |  |  |  |
Exercised | (98,952) |  |  | $ | 7.44 |  |  |  |  | $ | 338 |
Canceled | (30,871) |  |  | $ | 9.49 |  |  |  |  |
Outstanding at September 30, 2023 | 651,269 |  |  | $ | 7.37 |  |  | 3.6 |  | $ | 2,185 |
Vested and Expected to Vest at September 30, 2023 | 651,269 |  |  | $ | 7.37 |  |  | 3.6 |  | $ | 2,185 |
Exercisable at September 30, 2023 | 647,884 |  |  | $ | 7.35 |  |  | 3.6 |  | $ | 2,181 |
Schedule of RSU Activity | The following table summarizes RSU activity under the Company’s equity plans during the twelve months ended September 30, 2023, 2022, and 2021:
| Number of Shares |  | Weighted- Average Fair Value Per Share
Outstanding at September 30, 2020 | 2,661,943 |  |  | $ | 7.95 |
Granted | 887,049 |  |  | $ | 13.35 |
Settled | (975,764) |  |  | $ | 7.64 |
Canceled | (161,961) |  |  | $ | 8.94 |
Outstanding at September 30, 2021 | 2,411,267 |  |  | $ | 9.99 |
Granted | 1,272,917 |  |  | $ | 14.43 |
Settled | (898,178) |  |  | $ | 9.57 |
Canceled | (344,329) |  |  | $ | 11.16 |
Outstanding at September 30, 2022 | 2,441,677 |  |  | $ | 12.29 |
Granted | 1,101,925 |  |  | $ | 10.24 |
Settled | (665,635) |  |  | $ | 11.33 |
Canceled | (689,671) |  |  | $ | 12.49 |
Outstanding at September 30, 2023 | 2,188,296 |  |  | $ | 11.49 |
Schedule of Performance RSU Activity | The following table summarizes Performance RSU activity under the Company’s equity plans during the twelve months ended September 30, 2023, 2022, and 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 September 30, 2021 | 528,724 |  |  | $ | 9.17 |  |
Granted | 629,279 |  |  | $ | 15.60 |  |
Settled | (176,864) |  |  | $ | 8.42 |  |
Canceled | (61,683) |  |  | $ | 13.51 |  |
Outstanding at September 30, 2022 | 919,456 |  |  | $ | 13.43 |  |
Granted | 325,837 |  |  | $ | 10.23 |  |
Settled | (27,245) |  |  | $ | 9.25 |  |
Canceled | (487,655) |  |  | $ | 11.61 |  |
Outstanding at September 30, 2023 | 730,393 |  |  | $ | 13.37 |  |

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