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Stock-Based Compensation - Additional Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Stock based compensation expense | $ 109,000 | $ 19,000 | $ 109,000 | $ 37,000
Stock Option |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Unrecognized compensation expense | $ 960,000 |  | $ 960,000 |
2014 Omnibus Equity Incentive Plan |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |
Common stock reserved for issuance | 300,000 |  | 300,000 |

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