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Revolving Credit Facility (Tables) | 12 Months Ended
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Sep. 30, 2021
Debt Disclosure [Abstract] |
Components of Interest Expense | The following table summarizes the Company's interest expense:
| Year Ended September 30,
| 2021 |  | 2020
| (In thousands)
Interest expense | $ | 3,686 |  |  | $ | 4,416 |
Amortization of deferred financing costs | 653 |  |  | 648 |
Unused commitment fees | 195 |  |  | 235 |
Total interest expense | $ | 4,534 |  |  | $ | 5,299 |

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- Definition Tabular disclosure of interest income and expense, including, but not limited to, interest income and expense from investments, loans, and securities. + References No definition available. + Details
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