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Commitment and Contingencies (Details) - USD ($) | Nov. 30, 2021 | Sep. 30, 2021 | Aug. 31, 2021 | Apr. 02, 2021 | Sep. 30, 2020
--- | --- | --- | --- | --- | ---
Loss Contingencies [Line Items] |  |  |  |  |
Environmental liabilities |  | $ 0 |  |  | $ 0
Purchase Commitment, January 2022 |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Purchase agreement |  |  | $ 1,200,000 |  |
Purchase Commitment, April 2022 |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Purchase agreement |  |  | $ 3,300,000 |  |
Discontinued Operations, Disposed of by Sale | Kansas Properties |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Consideration from discontinued operations including closing adjustments |  |  |  | $ 3,300,000 |
Hoactzin Bankruptcy | Pending Litigation | Trustee for the Chapter 11 Bankruptcy of Hoactzin Partners | Subsequent Event |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Damages sought | $ 14,000,000 |  |  |  |

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