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v3.20.1

Segment Information (Reconciliation of Segment Information to Consolidated) (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Sep. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues | $ 22,437,731 | $ 25,274,959 | $ 42,223,184 | $ 46,491,706 |
Depreciation | 1,988,216 | 1,905,475 | 3,976,721 | 3,810,950 |
Operating income (loss) | 6,999,616 | 6,203,483 | 12,081,595 | 9,467,705 |
Equity in earnings | 1,188,593 | 698,175 | 2,282,679 | 1,261,224 |
Interest expense | 1,038,293 | 892,649 | 2,123,478 | 1,709,431 |
Income before income taxes | 7,467,808 | 6,130,718 | 12,716,331 | 9,267,093 |
Total assets | 270,588,176 |  | 270,588,176 |  | $ 258,353,696
Operating Segments | Gas Utility |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues | 22,275,719 | 25,058,749 | 41,901,325 | 46,095,330 |
Depreciation | 1,988,216 | 1,905,475 | 3,976,721 | 3,810,950 |
Operating income (loss) | 6,988,528 | 6,154,052 | 12,030,013 | 9,384,877 |
Equity in earnings | 0 | 0 | 0 | 0 |
Interest expense | 661,997 | 585,509 | 1,380,850 | 1,161,748 |
Income before income taxes | 6,642,411 | 5,689,205 | 11,121,293 | 8,468,126 |
Total assets | 201,148,338 |  | 201,148,338 |  | 195,969,019
Operating Segments | Investment In Affiliates |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues | 0 | 0 | 0 | 0 |
Depreciation | 0 | 0 | 0 | 0 |
Operating income (loss) | (69,526) | (39,394) | (108,117) | (73,281) |
Equity in earnings | 1,188,593 | 698,175 | 2,282,679 | 1,261,224 |
Interest expense | 376,296 | 307,140 | 742,628 | 547,683 |
Income before income taxes | 744,698 | 352,581 | 1,435,052 | 642,676 |
Total assets | 52,637,208 |  | 52,637,208 |  | 47,429,368
Parent and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Operating revenues | 162,012 | 216,210 | 321,859 | 396,376 |
Depreciation | 0 | 0 | 0 | 0 |
Operating income (loss) | 80,614 | 88,825 | 159,699 | 156,109 |
Equity in earnings | 0 | 0 | 0 | 0 |
Interest expense | 0 | 0 | 0 | 0 |
Income before income taxes | 80,699 | $ 88,932 | 159,986 | $ 156,291 |
Total assets | $ 16,802,630 |  | $ 16,802,630 |  | $ 14,955,309

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