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Income Taxes - Schedule of Components of Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | --- | ---
Deferred tax assets: |  |  |
Net operating loss carryforwards | $ 17,699 | $ 17,112 |
Accruals and reserves | 1,983 | 2,865 |
Income tax credits | 2,163 | 1,618 |
Operating lease liabilities | 4,150 | 2,719 |
Research and development costs | 1,531 | 1,011 |
Foreign service fee | 1,579 | 1,579 |
Other assets | 878 | 731 |
Total deferred tax assets | 29,983 | 27,635 |
Valuation allowance | (22,658) | (21,506) | $ (20,000)
Deferred tax assets, net of valuation allowance | 7,325 | 6,129 |
Deferred tax liabilities: |  |  |
Goodwill and identifiable intangible assets | (1,124) | (1,616) |
Property and equipment, net | (1,860) | (1,356) |
Operating lease, right-of-use assets | (3,987) | (2,720) |
Prepaid assets | (169) | (336) |
Total deferred tax liabilities | (7,140) | (6,028) |
Total deferred tax assets, net | $ 185 | $ 101 |

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