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Short-term Investments (Tables) | 6 Months Ended
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Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract] |
Summary of Short-Term Investments | The Company’s short-term investments were composed of the following (in thousands):
|  | As of March 31, 2022 (in thousands) |
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 3,682 |  |  | $ | — |  |  | $ | (22 | ) |  | $ | 3,660 |
|  | As of September 30, 2021 (in thousands) |
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 9,511 |  |  | $ | — |  |  | $ | (15 | ) |  | $ | 9,496 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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