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Overview and Basis of Presentation (Details) gallon in Thousands |  |  | 9 Months Ended
--- | --- | --- | ---
Jun. 01, 2021 gallon | Apr. 08, 2021 USD ($) | Sep. 30, 2021 gallon | Sep. 30, 2020
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Effective tax rate |  |  | 7.00% | 3.90%
Loan Agreement | AmeriState Bank |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ |  | $ 10,000,000 |  |
Proceeds from loan | $ |  | $ 7,000,000 |  |
Bomay |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Ownership percentage |  |  | 40.00% |
Texas |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Daily capacity of production facility in gallons |  |  | 100 |
Permian Basin |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Daily capacity of production facility in gallons |  |  | 25 |
Louisiana |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Daily capacity of production facility in gallons | 30 |  |  |

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