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Investments (Tables) | 6 Months Ended
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Mar. 31, 2021
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, 2021 (in thousands) |
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Estimated Fair Value |
Short-term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 3,868 |  |  | $ | (3 | ) |  | $ | — |  |  | $ | 3,865 |

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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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