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v3.20.1

Other Investments (Schedule of Other Investments) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Sep. 30, 2019
Other Assets: |  |  |  |  |
Investment in unconsolidated affiliates | $ 52,291,160 |  | $ 52,291,160 |  | $ 47,375,459
Current Liabilities: |  |  |  |  |
Capital contributions payable | 1,726,786 |  | 1,726,786 |  | 5,024,824
Income Statement location of Other Investments: |  |  |  |  |
Equity in earnings of unconsolidated affiliate | 1,188,593 | $ 698,175 | 2,282,679 | $ 1,261,224 |
Undistributed earnings, net of income taxes, of MVP in retained earnings | 4,962,293 |  | 4,962,293 |  | 3,267,176
Change in investment in unconsolidated affiliate [Abstract] |  |  |  |  |
Cash investment |  |  | 5,931,060 | 13,304,263 |
Change in accrued capital calls |  |  | (3,298,038) | (6,796,085) |
Equity in earnings of unconsolidated affiliate | 1,188,593 | $ 698,175 | 2,282,679 | 1,261,224 |
Change in investment in unconsolidated affiliates |  |  | 4,915,701 | $ 7,769,402 |
MVP [Member] |  |  |  |  |
Other Assets: |  |  |  |  |
MVP | 51,971,127 |  | 51,971,127 |  | 47,055,426
Current Liabilities: |  |  |  |  |
Capital contributions payable | 1,726,786 |  | 1,726,786 |  | 4,958,260
Southgate [Member] |  |  |  |  |
Other Assets: |  |  |  |  |
Southgate | 320,033 |  | 320,033 |  | 320,033
Current Liabilities: |  |  |  |  |
Capital contributions payable | $ 0 |  | $ 0 |  | $ 66,564

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