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v3.23.3

Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Total contracts with customers | $ 94,393,814 | $ 82,414,016
Alternative revenue programs | 3,045,951 | 1,751,206
Operating revenues | 97,439,765 | 84,165,222
Oil and Gas [Member] | Residential [Member] |  |
Total contracts with customers | 54,342,435 | 46,915,892
Oil and Gas [Member] | Commercial [Member] |  |
Total contracts with customers | 33,083,485 | 28,874,522
Oil and Gas [Member] | Industrial and Transportation [Member] |  |
Total contracts with customers | 5,730,726 | 5,671,884
Product and Service, Other [Member] |  |
Total contracts with customers | 1,237,168 | 951,718
Gas Utility [Member] |  |
Total contracts with customers | 94,279,356 | 82,284,438
Alternative revenue programs | 3,045,951 | 1,751,206
Operating revenues | 97,325,307 | 84,035,644
Gas Utility [Member] | Oil and Gas [Member] | Residential [Member] |  |
Total contracts with customers | 54,342,435 | 46,915,892
Gas Utility [Member] | Oil and Gas [Member] | Commercial [Member] |  |
Total contracts with customers | 33,083,485 | 28,874,522
Gas Utility [Member] | Oil and Gas [Member] | Industrial and Transportation [Member] |  |
Total contracts with customers | 5,730,726 | 5,671,884
Gas Utility [Member] | Product and Service, Other [Member] |  |
Total contracts with customers | 1,122,710 | 822,140
Non-utility [Member] |  |
Total contracts with customers | 114,458 | 129,578
Alternative revenue programs | 0 | 0
Operating revenues | 114,458 | 129,578
Non-utility [Member] | Oil and Gas [Member] | Residential [Member] |  |
Total contracts with customers | 0 | 0
Non-utility [Member] | Oil and Gas [Member] | Commercial [Member] |  |
Total contracts with customers | 0 | 0
Non-utility [Member] | Oil and Gas [Member] | Industrial and Transportation [Member] |  |
Total contracts with customers | 0 | 0
Non-utility [Member] | Product and Service, Other [Member] |  |
Total contracts with customers | $ 114,458 | $ 129,578

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