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Accrued Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Sep. 30, 2021
--- | --- | ---
Payables And Accruals [Abstract] |  |
Ad valorem taxes | $ 692 | $ 2,018
Accrued interest | 933 | 888
Accrued employee wages and benefits | 1,315 | 2,105
Accrued dividends | 3,777 | 3,763
Accrued harvest and haul | 537 |
Inventory received but not invoiced | 205 |
Accrued insurance |  | 618
Professional fees | 287 | 348
Other accrued liabilities | 240 | 132
Total accrued liabilities | $ 7,986 | $ 9,872

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