RGC Resources (RGCO) 10-Q 8 Feb 23 2023 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Dec. 31, 2022	Jan. 31, 2023
Document Information [Line Items]
Entity Central Index Key	0001069533
Entity Registrant Name	RGC Resources, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2023
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	000-26591
Entity Incorporation, State or Country Code	VA
Entity Tax Identification Number	54-1909697
Entity Address, Address Line One	519 Kimball Ave., N.E.
Entity Address, City or Town	Roanoke
Entity Address, State or Province	VA
Entity Address, Postal Zip Code	24016
City Area Code	540
Local Phone Number	777-4427
Title of 12(b) Security	Common Stock, $5 Par Value
Trading Symbol	RGCO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		9,910,731

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 3,234,192	$ 4,898,914
Accounts receivable (less allowance for credit losses of $662,054, and $371,271, respectively)	21,029,677	5,353,270
Materials and supplies	1,340,154	1,228,554
Gas in storage	15,251,579	16,916,651
Prepaid income taxes	3,293,148	3,087,755
Regulatory assets	314,762	1,877,468
Interest rate swaps	1,258,824	1,218,211
Other	2,122,737	967,496
Total current assets	47,845,073	35,548,319
UTILITY PROPERTY:
In service	294,958,870	290,940,683
Accumulated depreciation and amortization	(81,739,456)	(80,242,946)
In service, net	213,219,414	210,697,737
Construction work in progress	21,630,301	19,163,337
Utility property, net	234,849,715	229,861,074
OTHER NON-CURRENT ASSETS:
Regulatory assets	5,420,668	5,446,547
Investment in unconsolidated affiliates	14,631,951	13,773,075
Benefit plan assets	622,831	749,341
Deferred income taxes	952,124	1,057,079
Interest rate swaps	3,292,811	3,580,256
Other	336,989	293,552
Total other non-current assets	25,257,374	24,899,850
TOTAL ASSETS	307,952,162	290,309,243
CURRENT LIABILITIES:
Current maturities of long-term debt	24,700,000	1,300,000
Line-of-credit	9,391,974	0
Dividends payable	1,957,369	1,915,317
Accounts payable	11,124,909	8,600,919
Capital contributions payable	843,972	804,506
Customer credit balances	1,269,179	1,400,770
Customer deposits	1,559,528	1,457,610
Accrued expenses	2,404,087	3,668,122
Regulatory liabilities	6,913,419	3,168,066
Total current liabilities	60,164,437	22,315,310
LONG-TERM DEBT:
Notes payable	113,550,000	135,971,200
Less unamortized debt issuance costs	(261,005)	(275,911)
Long-term debt, net	113,288,995	135,695,289
DEFERRED CREDITS AND OTHER NON-CURRENT LIABILITIES:
Asset retirement obligations	10,329,950	10,204,079
Regulatory cost of retirement obligations	12,520,934	12,277,796
Benefit plan liabilities	390,531	337,535
Deferred income taxes	3,299,760	3,165,454
Regulatory liabilities	13,067,548	13,223,124
Total deferred credits and other non-current liabilities	39,608,723	39,207,988
STOCKHOLDERS’ EQUITY:
Common stock, $5 par; authorized 20,000,000 shares; issued and outstanding 9,851,780 and 9,820,535 shares, respectively	49,258,900	49,102,675
Preferred stock, no par, authorized 5,000,000 shares; no shares issued and outstanding	0	0
Capital in excess of par value	41,992,216	41,479,459
Retained earnings	1,843,194	544,158
Accumulated other comprehensive income	1,795,697	1,964,364
Total stockholders’ equity	94,890,007	93,090,656
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 307,952,162	$ 290,309,243

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Accounts receivable, allowance for uncollectible	$ 662,054	$ 371,271
Common stock, par value (in dollars per share)	$ 5	$ 5
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	9,851,780	9,820,535
Common stock, shares outstanding (in shares)	9,851,780	9,820,535
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0

Condensed Consolidated Statemen

Condensed Consolidated Statements of Income (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
OPERATING REVENUES:
Revenues	$ 33,282,335	$ 23,263,080
OPERATING EXPENSES:
Operations and maintenance	3,920,513	3,690,314
General taxes	589,050	603,209
Depreciation and amortization	2,419,541	2,270,694
Total operating expenses	27,737,850	17,884,657
OPERATING INCOME	5,544,485	5,378,423
Equity in earnings of unconsolidated affiliate	1,232	72,127
Other income, net	74,606	322,439
Interest expense	1,369,164	1,104,856
INCOME BEFORE INCOME TAXES	4,251,159	4,668,133
INCOME TAX EXPENSE	994,754	1,083,604
NET INCOME	$ 3,256,405	$ 3,584,529
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.33	$ 0.43
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	0.33	0.43
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.1975	$ 0.195
Gas Utility [Member]
OPERATING REVENUES:
Revenues	$ 33,252,767	$ 23,231,655
OPERATING EXPENSES:
Cost of gas and sale	20,804,153	11,316,405
Non-utility [Member]
OPERATING REVENUES:
Revenues	29,568	31,425
OPERATING EXPENSES:
Cost of gas and sale	$ 4,593	$ 4,035

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
NET INCOME	$ 3,256,405	$ 3,584,529
Other comprehensive income (loss), net of tax:
Interest rate swaps	(183,298)	362,274
Defined benefit plans	14,631	(11,191)
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(168,667)	351,083
COMPREHENSIVE INCOME	3,087,738	3,935,612
Interest Rate Swap [Member]
Other comprehensive income (loss), net of tax:
Interest rate swaps	$ (183,298)	$ 362,274

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Sep. 30, 2021	$ 41,875,460	$ 19,705,387	$ 39,656,296	$ (1,535,434)	$ 99,701,709
Net income	0	0	3,584,529	0	3,584,529
Other comprehensive loss	0	0	0	351,083	351,083
Cash dividends declared	0	0	(1,642,324)	0	(1,642,324)
Issuance of common stock	69,570	230,278	0	0	299,848
Balance at Dec. 31, 2021	41,945,030	19,935,665	41,598,501	(1,184,351)	102,294,845
Balance at Sep. 30, 2022	49,102,675	41,479,459	544,158	1,964,364	93,090,656
Net income	0	0	3,256,405	0	3,256,405
Other comprehensive loss	0	0	0	(168,667)	(168,667)
Cash dividends declared	0	0	(1,957,369)	0	(1,957,369)
Issuance of common stock	156,225	512,757	0	0	668,982
Balance at Dec. 31, 2022	$ 49,258,900	$ 41,992,216	$ 1,843,194	$ 1,795,697	$ 94,890,007

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Dividends declared per share (in dollars per share)	$ 0.1975	$ 0.195
Common stock issued (in shares)	31,245	13,914

Condensed Consolidated Statem_5

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,256,405	$ 3,584,529
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	2,477,084	2,329,409
Cost of retirement of utility property, net	(159,174)	(113,505)
Stock option grants	16,170	5,550
Equity in earnings of unconsolidated affiliate	(1,232)	(72,127)
Allowance for funds used during construction	(103,771)	0
Changes in assets and liabilities which used cash, exclusive of changes and noncash transactions shown separately	(7,909,883)	(9,278,622)
Net cash used in operating activities	(2,424,401)	(3,544,766)
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for utility property	(7,530,620)	(5,737,232)
Investment in unconsolidated affiliates	(818,178)	(2,143,981)
Proceeds from disposal of utility property	209	48,300
Net cash used in investing activities	(8,348,589)	(7,832,913)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of unsecured notes	1,103,800	25,930,000
Repayments of notes payable	(125,000)	(15,000,000)
Borrowings under line-of-credit	17,952,768	24,123,902
Repayments under line-of-credit	(8,560,795)	(22,147,391)
Debt issuance expenses	0	(39,732)
Proceeds from issuance of stock	(652,812)	(294,297)
Cash dividends paid	(1,915,317)	(1,549,840)
Net cash provided by financing activities	9,108,268	11,611,236
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(1,664,722)	233,557
BEGINNING CASH AND CASH EQUIVALENTS	4,898,914	1,518,317	$ 1,518,317
ENDING CASH AND CASH EQUIVALENTS	$ 3,234,192	$ 1,751,874	$ 4,898,914

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Significant Accounting Policies [Text Block]	1. Basis of Presentation Resources is an energy services company primarily engaged in the sale and distribution of natural gas. The condensed consolidated financial statements include the accounts of Resources and its wholly-owned subsidiaries: Roanoke Gas, Diversified Energy and Midstream. In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments (consisting of only normal recurring accruals) necessary to fairly present Resources' financial position as of December 31, 2022 three December 31, 2022 2021 three December 31, 2022 2021 three December 31, 2022 not September 30, 2023 The unaudited condensed consolidated financial statements and condensed notes are presented under the rules and regulations of the SEC. Pursuant to those rules, certain information and note disclosures normally included in the annual financial statements prepared in accordance with GAAP have been condensed or omitted. Although the Company believes that the disclosures are adequate, the unaudited condensed consolidated financial statements and condensed notes should be read in conjunction with the financial statements and notes contained in the Company’s Form 10 September 30, 2022 September 30, 2022 10 The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The Company’s significant accounting policies are described in Note 1 10 September 30, 2022 Recently Issued or Adopted Accounting Standards In March 2020, 2020 04, Reference Rate Reform (Topic 848 2021 01 2022 06, December 31, 2024. one one six one June 2023 no may December 31, 2021. one None not 2023. Other accounting standards that have been issued by the FASB or other standard-setting bodies are not not

Note 2 - Revenue

Note 2 - Revenue	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	2. Revenue The Company assesses new contracts and identifies related performance obligations for promises to transfer distinct goods or services to the customer. Revenue is recognized when performance obligations have been satisfied. In the case of Roanoke Gas, the Company contracts with its customers for the sale and/or delivery of natural gas. The following tables summarize revenue by customer, product and income statement classification: Three Months Ended December 31, 2022 Three Months Ended December 31, 2021 Gas utility Non utility Total operating revenues Gas utility Non utility Total operating revenues Natural Gas (Billed and Unbilled): Residential $ 19,365,840 $ — $ 19,365,840 $ 13,212,489 $ — $ 13,212,489 Commercial 12,019,113 — 12,019,113 7,385,718 — 7,385,718 Industrial and Transportation 1,588,068 — 1,588,068 1,313,091 — 1,313,091 Other 421,995 29,568 451,563 223,828 31,425 255,253 Total contracts with customers 33,395,016 29,568 33,424,584 22,135,126 31,425 22,166,551 Alternative Revenue Programs (142,249 ) — (142,249 ) 1,096,529 — 1,096,529 Total operating revenues $ 33,252,767 $ 29,568 $ 33,282,335 $ 23,231,655 $ 31,425 $ 23,263,080 Gas utility revenues Substantially all of Roanoke Gas' revenues are derived from rates authorized by the SCC through its tariffs. Based on its evaluation, the Company has concluded that these tariff-based revenues fall within the scope of ASC 606. All customers are billed monthly based on consumption as measured by metered usage with payments due 20 no Unbilled revenue is included in residential and commercial revenues in the preceding table. Natural gas consumption is estimated for the period subsequent to the last billed date and up through the last day of the month. Estimated volumes and approved tariff rates are utilized to calculate unbilled revenue. The following month, the unbilled estimate is reversed, the actual usage is billed and a new unbilled estimate is calculated. The Company obtains metered usage for industrial customers at the end of each month, thereby eliminating any unbilled consideration for these rate classes. Other revenues Other revenues primarily consist of miscellaneous fees and charges, utility-related revenues not no Alternative Revenue Program revenues ARPs, which fall outside the scope of ASC 606, 30 Customer accounts r Accounts receivable, as reflected in the condensed consolidated balance sheets, includes both billed and unbilled customer revenues, as well as amounts that are not Current Assets Current Liabilities Trade accounts receivable (1) Unbilled revenue (1) Customer credit balances Customer deposits Balance at September 30, 2022 $ 3,697,431 $ 1,585,062 $ 1,400,770 $ 1,457,610 Balance at December 31, 2022 11,282,850 9,531,260 1,269,179 1,559,528 Increase (decrease) $ 7,585,419 $ 7,946,198 $ (131,591 ) $ 101,918 ( 1 The Company had no not

Note 3 - Income Taxes

Note 3 - Income Taxes	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Income Tax Disclosure [Text Block]	3. Income Taxes The effective tax rates for the three December 31, 2022 2021 Three Months Ended December 31, 2022 2021 Effective tax rate 23.4 % 23.2 % The Company files a consolidated federal income tax return and state income tax returns in Virginia and West Virginia, and thus subject to examinations by federal and state tax authorities. The IRS is currently examining the Company's 2018 2019 not December 31, 2022 2021; 2017, 2018 2019, two September 30, 2017 no September 30, 2019 no

Note 4 - Rates and Regulatory M

Note 4 - Rates and Regulatory Matters	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Public Utilities Disclosure [Text Block]	4. Rates and Regulatory Matters The SCC exercises regulatory authority over the natural gas operations of Roanoke Gas. Such regulation encompasses terms, conditions and rates to be charged to customers for natural gas service, safety standards, service extension and depreciation. On December 2, 2022, January 1, 2023. On December 21, 2022, January 1, 2023, 2023 2024. The Company expects to file for a new SAVE Plan and Rider in the third 2023 October 1, 2023. On May 16, 2022, August 2022, 30 56 30 2022 December 31, 2022, January 23, 2023 March 2023, On June 2, 2022, On July 19, 2022, August 4, 2022, fourth 2022. one 2023. two

Note 5 - Other Investments

Note 5 - Other Investments	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Equity Method Investments and Joint Ventures Disclosure [Text Block]	5. Other Investments Midstream is an approximately 1% equity investment owner of the LLC constructing the MVP, a 303 The LLC temporarily suspended accruing AFUDC on the project beginning January 1, 2021 March 31, 2021 April 2021 November 2021, Roanoke Gas will continue to suspend accruing AFUDC on its two gate stations that will interconnect with the MVP until such time as construction activities resume on the respective gate stations. Midstream is a less than 1% investor in Southgate, which is being accounted for under the cost method. In the second 2022, fourth 2022, September 30, 2022. Midstream estimated the fair value of its investment in the LLC, with the assistance of a valuation specialist, using an income-based approach that primarily considered probability-weighted scenarios of discounted future cash flows based on the estimated project costs at completion and projected revenues. These scenarios reflected assumptions and judgments regarding the ultimate outcome of further matters relating to, or resulting from, the Fourth Circuit rulings, as well as various other ongoing legal and regulatory matters affecting MVP and Southgate. Such assumptions and judgments also included certain additional potential delays and related cost increases that could result from unfavorable decisions on these proceedings and matters. Midstream’s analysis also took into account, among other things, probability weighted growth expectations from additional compression expansion opportunities. This analysis also considered scenarios under which ongoing or new legal and regulatory matters further delay the completion and increase the total costs of the project; all required legal and regulatory approvals and authorizations and certain compression expansion opportunities are realized; and MVP and Southgate are canceled. Midstream reassesses the value of its investment in the LLC on at least a quarterly basis. With the assistance of a valuation specialist, Midstream conducted the quarterly evaluation of its investment in the LLC as of December 31, 2022 no 3 There is risk that Midstream’s equity investment in the LLC may may not may Funding for Midstream's investments in the LLC for both MVP and Southgate is being provided through two December 2023, three 8, The Company will participate in the earnings generated from the transportation of natural gas through both pipelines proportionate to its level of investment once the pipelines are placed in service. Investment balances of MVP and Southgate, as of December 31, 2022, Balance Sheet location: December 31, 2022 September 30, 2022 Other Assets: MVP $ 14,545,563 $ 13,689,370 Southgate 86,388 83,705 Investment in unconsolidated affiliates $ 14,631,951 $ 13,773,075 Current Liabilities: MVP $ 843,415 $ 804,404 Southgate 557 102 Capital contributions payable $ 843,972 $ 804,506 Three Months Ended Income Statement location: December 31, 2022 December 31, 2021 Equity in earnings of unconsolidated affiliate $ 1,232 $ 72,127 December 31, 2022 September 30, 2022 Undistributed earnings, net of income taxes, of MVP in retained earnings, excluding impairment $ 8,136,398 $ 8,135,482 The undistributed earnings does not The change in the investment in unconsolidated affiliates is provided below: Three Months Ended December 31, 2022 December 31, 2021 Cash investment $ 818,178 $ 2,143,981 Change in accrued capital calls 39,466 (211,580 ) Equity in earnings of unconsolidated affiliate 1,232 72,127 Change in investment in unconsolidated affiliates $ 858,876 $ 2,004,528 Summary unaudited financial statements of MVP are presented below. Southgate financial statements, which are accounted for under the cost method, are not Income Statements Three Months Ended December 31, 2022 December 31, 2021 AFUDC $ — $ 6,883,069 Other income (expense), net 160,472 (45,063 ) Net income $ 160,472 $ 6,838,006 Balance Sheets December 31, 2022 September 30, 2022 Assets: Current assets $ 91,864,255 $ 76,474,981 Construction work in progress 6,727,679,677 6,667,146,408 Other assets 8,873,646 8,021,877 Total assets $ 6,828,417,578 $ 6,751,643,266 Liabilities and Equity: Current liabilities $ 118,168,250 $ 115,061,723 Capital 6,710,249,328 6,636,581,543 Total liabilities and equity $ 6,828,417,578 $ 6,751,643,266

Note 6 - Derivatives and Hedgin

Note 6 - Derivatives and Hedging	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	6. Derivatives and Hedging The Company’s hedging and derivative policy allows management to enter into derivatives for the purpose of managing the commodity and financial market risks of its business operations, including the price of natural gas and the cost of borrowed funds. This policy specifically prohibits the use of derivatives for speculative purposes. The Company has five interest rate swaps associated with its variable rate debt as of December 31, 2022. April 1, 2022 September 30, 2022. November 1, 2021, No The Company had no The fair value of the current and non-current portions of the interest rate swaps are reflected in the condensed consolidated balance sheets under the caption interest rate swaps. The table in Note 9

Note 7 - Short-term Debt

Note 7 - Short-term Debt	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Debt Disclosure [Text Block]	7. Short-Term Debt On March 31, 2022, March 25, 2021. March 31, 2023, December 31, 2022, In connection with the line-of-credit, the Company also entered into the Seventh Amendment to Credit Agreement as of March 31, 2022, March 31, 2016

Note 8 - Long-term Debt

Note 8 - Long-term Debt	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Long-Term Debt [Text Block]	8. Long-Term Debt On November 1, 2021, 30 January 1, 2028. April 1, 2023. March 31, 2022, June 30, 2022, 30 December 31, 2023. On September 24, 2021, first April 1, 2022 September 30, 2022. 30 October 1, 2028. September 24, 2021, On August 20, 2021, 30 August 20, 2026. March 31, 2016 August 20, 2021, October 1, 2021. Long-term debt consists of the following: December 31, 2022 September 30, 2022 Principal Unamortized Debt Issuance Costs Principal Unamortized Debt Issuance Costs Roanoke Gas: Unsecured senior notes payable, at 4.26% $ 30,500,000 $ 113,435 $ 30,500,000 $ 115,849 Unsecured term notes payable, at 3.58% 8,000,000 22,876 8,000,000 24,080 Unsecured term notes payable, at 4.41% 10,000,000 25,844 10,000,000 26,627 Unsecured term notes payable, at 3.60% 10,000,000 24,659 10,000,000 25,539 Unsecured term note payable, at 30-day SOFR plus 1.20% 15,000,000 — 15,000,000 — Unsecured term note payable, at 30-day LIBOR plus 1.00% 10,000,000 27,479 10,000,000 28,674 Midstream: Unsecured term notes payable, at TERM SOFR plus 1.50% 23,000,000 12,458 21,896,200 18,553 Unsecured term note payable, at 30-day LIBOR plus 1.15% 14,000,000 8,427 14,000,000 9,029 Unsecured term note payable, at 30-day LIBOR plus 1.20% 9,750,000 3,340 9,875,000 3,929 Unsecured term note payable, at 30-day LIBOR plus 1.15% 8,000,000 22,487 8,000,000 23,631 Total long-term debt 138,250,000 261,005 137,271,200 275,911 Less: current maturities of long-term debt (24,700,000 ) — (1,300,000 ) — Total long-term debt, net current maturities $ 113,550,000 $ 261,005 $ 135,971,200 $ 275,911 All debt agreements set forth certain representations, warranties and covenants to which the Company is subject, including financial covenants that limit consolidated long-term indebtedness to not not December 31, 2021 December 31, 2022 September 30, 2022

Note 9 - Other Comprehensive In

Note 9 - Other Comprehensive Income (Loss)	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Comprehensive Income (Loss) Note [Text Block]	9. Other Comprehensive Income (Loss) A summary of other comprehensive income and loss is provided below: Tax Before-Tax (Expense) Net-of-Tax Amount or Benefit Amount Three Months Ended December 31, 2022 Interest rate swaps: Unrealized gains $ 43,947 $ (11,311 ) $ 32,636 Transfer of realized gains to interest expense (290,779 ) 74,845 (215,934 ) Net interest rate swaps (246,832 ) 63,534 (183,298 ) Defined benefit plans: Amortization of actuarial losses 19,703 (5,072 ) 14,631 Other comprehensive loss $ (227,129 ) $ 58,462 $ (168,667 ) Three Months Ended December 31, 2021 Interest rate swaps: Unrealized gains $ 315,983 $ (81,333 ) $ 234,650 Transfer of realized losses to interest expense 171,863 (44,239 ) 127,624 Net interest rate swaps 487,846 (125,572 ) 362,274 Defined benefit plans: Amortization of actuarial gains (15,070 ) 3,879 (11,191 ) Other comprehensive income $ 472,776 $ (121,693 ) $ 351,083 The amortization of actuarial gains and losses, reflected in the preceding table, relate to the unregulated operations of the Company. Actuarial gains and losses attributable to the regulated operations are included as a regulatory asset. See Note 15 Reconciliation of Accumulated Other Comprehensive Income (Loss) Accumulated Other Interest Rate Defined Benefit Comprehensive Swaps Plans Income (Loss) Balance at September 30, 2022 $ 3,563,341 $ (1,598,977 ) $ 1,964,364 Other comprehensive income (loss) (183,298 ) 14,631 (168,667 ) Balance at December 31, 2022 $ 3,380,043 $ (1,584,346 ) $ 1,795,697

Note 10 - Commitments and Conti

Note 10 - Commitments and Contingencies	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	10. Commitments and Contingencies Roanoke Gas currently holds the only franchises and CPCNs to distribute natural gas in its service area. The current franchise agreements expire December 31, 2035. Due to the nature of the natural gas distribution business, the Company has entered into agreements with both suppliers and pipelines for natural gas commodity purchases, storage capacity and pipeline delivery capacity. The Company utilizes an asset manager to assist in optimizing the use of its transportation, storage rights and gas supply in order to provide a secure and reliable source of natural gas to its customers. The Company also has storage and pipeline capacity contracts to store and deliver natural gas to the Company’s distribution system. Roanoke Gas is currently served directly by two primary pipelines that deliver all of the natural gas supplied to the Company’s distribution system. Depending on weather conditions and the level of customer demand, failure of one

Note 11 - Earnings Per Share

Note 11 - Earnings Per Share	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Earnings Per Share [Text Block]	11. Earnings Per Share Basic earnings per common share for the three December 31, 2022 2021 A reconciliation of basic and diluted earnings per share is presented below: Three Months Ended December 31, 2022 2021 Net income $ 3,256,405 $ 3,584,529 Weighted average common shares 9,830,206 8,383,986 Effect of dilutive securities: Options to purchase common stock 6,982 9,046 Diluted average common shares 9,837,188 8,393,032 Earnings per share of common stock: Basic $ 0.33 $ 0.43 Diluted $ 0.33 $ 0.43

Note 12 - Employee Benefit Plan

Note 12 - Employee Benefit Plans	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Retirement Benefits [Text Block]	12. Employee Benefit Plans The Company has both a pension plan and a postretirement plan. The pension plan covers the Company’s employees hired before January 1, 2017 Three Months Ended December 31, 2022 2021 Components of net periodic pension cost: Service cost $ 91,635 $ 162,072 Interest cost 343,025 253,279 Expected return on plan assets (308,149 ) (457,888 ) Recognized loss 79,181 36,600 Net periodic pension cost (benefit) $ 205,692 $ (5,937 ) Three Months Ended December 31, 2022 2021 Components of postretirement benefit cost: Service cost $ 11,475 $ 24,450 Interest cost 155,156 110,930 Expected return on plan assets (116,012 ) (166,541 ) Recognized loss — — Net postretirement benefit cost (benefit) $ 50,619 $ (31,161 ) The components of net periodic benefit cost, other than the service cost component, are included in other income, net in the condensed consolidated statements of income. Service cost is included in operations and maintenance expense in the condensed consolidated statements of income. For the three December 31, 2022, not 2023.

Note 13 - Fair Value Measuremen

Note 13 - Fair Value Measurements	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Fair Value Disclosures [Text Block]	13. Fair Value Measurements ASC 820, Fair Value Measurements and Disclosures one three Level 1 Level 2 1 not Level 3 The fair value hierarchy gives the highest priority to unadjusted quoted prices in active markets (Level 1 3 The following table summarizes the Company’s financial assets and liabilities that are measured at fair value on a recurring basis as required by existing guidance and the fair value measurements by level within the fair value hierarchy: Fair Value Measurements - December 31, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Fair Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Assets: Interest rate swaps $ 4,551,635 $ — $ 4,551,635 $ — Total $ 4,551,635 $ — $ 4,551,635 $ — Liabilities: Natural gas purchases $ 2,187,722 $ — $ 2,187,722 $ — Total $ 2,187,722 $ — $ 2,187,722 $ — Fair Value Measurements - September 30, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Fair Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Assets: Interest rate swaps $ 4,798,467 $ — $ 4,798,467 $ — Total $ 4,798,467 $ — $ 4,798,467 $ — Liabilities: Natural gas purchases $ 1,295,225 $ — $ 1,295,225 $ — Total $ 1,295,225 $ — $ 1,295,225 $ — The fair value of the interest rate swaps are determined by using the counterparty's proprietary models and certain assumptions regarding past, present and future market conditions. See Note 5 Under the asset management contract, a timing difference can exist between the payment for natural gas purchases and the actual receipt of such purchases. Payments are made based on a predetermined monthly volume with the price based on weighted average first December 31, 2022 September 30, 2022 first The Company’s nonfinancial assets and liabilities measured at fair value on a nonrecurring basis consist of its AROs. The AROs are measured at fair value at initial recognition based on expected future cash flows required to settle the obligation. The carrying value of cash and cash equivalents, accounts receivable, borrowings under line-of-credit, accounts payable (with the exception of the timing difference under the asset management contract), customer credit balances and customer deposits is a reasonable estimate of fair value due to the short-term nature of these financial instruments. In addition, the carrying amount of the variable rate line-of-credit is a reasonable approximation of its fair value. The following table summarizes the fair value of the Company’s financial assets and liabilities that are not Fair Value Measurements - December 31, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Carrying Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Liabilities: Current maturities of long-term debt $ 24,700,000 $ — $ — $ 24,697,717 Notes payable 113,550,000 — — 109,036,788 Total $ 138,250,000 $ — $ — $ 133,734,505 Fair Value Measurements - September 30, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Carrying Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Liabilities: Current maturities of long-term debt $ 1,300,000 $ — $ — $ 1,300,000 Notes payable 135,971,200 — — 130,266,252 Total $ 137,271,200 $ — $ — $ 131,566,252 The fair value of long-term debt is estimated by discounting the future cash flows of the fixed rate debt based on the underlying Treasury rate or other Treasury instruments with a corresponding maturity period and estimated credit spread extrapolated based on market conditions since the issuance of the debt. ASC 825, Financial Instruments three 5% December 31, 2022 September 30, 2022

Note 14 - Segment Information

Note 14 - Segment Information	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	14. Segment Information Operating segments are defined as components of an enterprise for which separate financial information is available and is evaluated regularly by the Company's chief operating decision maker in deciding how to allocate resources and assess performance. The Company uses operating income and equity in earnings to assess segment performance. Intersegment transactions are recorded at cost. The reportable segments disclosed herein are defined as follows: Gas Utility Investment in Affiliates Parent and Other Information related to the segments of the Company are provided below: Three Months Ended December 31, 2022 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Operating revenues $ 33,252,767 $ — $ 29,568 $ 33,282,335 Depreciation 2,419,541 — — 2,419,541 Operating income (loss) 5,567,345 (46,704 ) 23,844 5,544,485 Equity in earnings — 1,232 — 1,232 Interest expense 822,566 546,598 — 1,369,164 Income (loss) before income taxes 4,819,955 (592,615 ) 23,819 4,251,159 Three Months Ended December 31, 2021 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Operating revenues $ 23,231,655 $ — $ 31,425 $ 23,263,080 Depreciation 2,270,694 — — 2,270,694 Operating income (loss) 5,404,316 (51,560 ) 25,667 5,378,423 Equity in earnings — 72,127 — 72,127 Interest expense 764,863 339,993 — 1,104,856 Income (loss) before income taxes 4,959,182 (316,881 ) 25,832 4,668,133 December 31, 2022 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Total assets $ 270,030,140 $ 15,277,600 $ 22,644,422 $ 307,952,162 September 30, 2022 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Total assets $ 258,519,230 $ 13,838,108 $ 17,951,905 $ 290,309,243

Note 15 - Regulatory Assets and

Note 15 - Regulatory Assets and Liabilities	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Schedule of Regulatory Assets and Liabilities [Text Block]	15. Regulatory Assets and Liabilities The Company’s regulated operations follow the accounting and reporting requirements of ASC 980, Regulated Operations 980 no 980 no Regulatory assets included in the Company’s accompanying balance sheets are as follows: December 31, 2022 September 30, 2022 Assets: Current Assets: Regulatory assets: Accrued WNA revenues $ 6,870 $ 193,518 Under-recovery of gas costs — 1,316,580 Accrued pension and postretirement medical 178,433 237,911 Other deferred expenses 129,459 129,459 Total current 314,762 1,877,468 Utility Property: In service: Other 11,945 11,945 Construction work in progress: AFUDC 565,113 461,342 Other Non-Current Assets: Regulatory assets: Premium on early retirement of debt 1,341,699 1,370,246 Accrued pension and postretirement medical 3,894,561 3,894,561 Other deferred expenses 184,408 181,740 Total non-current 5,420,668 5,446,547 Total regulatory assets $ 6,312,488 $ 7,797,302 Regulatory liabilities included in the Company’s accompanying balance sheets are as follows: December 31, 2022 September 30, 2022 Liabilities and Stockholders' Equity: Current Liabilities: Regulatory liabilities: Over-recovery of gas costs $ 4,447,378 $ — Over-recovery of SAVE Plan revenues 136,010 158,847 Deferred income taxes 363,297 363,297 Supplier refunds 1,802,357 2,484,992 Other deferred liabilities 164,377 160,930 Total current 6,913,419 3,168,066 Deferred Credits and Other Non-Current Liabilities: Asset retirement obligations 10,329,950 10,204,079 Regulatory cost of retirement obligations 12,520,934 12,277,796 Regulatory liabilities: Deferred income taxes 13,037,430 13,193,006 Other 30,118 30,118 Total non-current 35,918,432 35,704,999 Total regulatory liabilities $ 42,831,851 $ 38,873,065 As of December 31, 2022 September 30, 2022 not

Note 16 - Subsequent Events

Note 16 - Subsequent Events	3 Months Ended
	Dec. 31, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	16. Subsequent Events The Company has evaluated subsequent events through the date the financial statements were issued. There were no not

Significant Accounting Policies

Significant Accounting Policies (Policies)	3 Months Ended
	Dec. 31, 2022
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Resources is an energy services company primarily engaged in the sale and distribution of natural gas. The condensed consolidated financial statements include the accounts of Resources and its wholly-owned subsidiaries: Roanoke Gas, Diversified Energy and Midstream. In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments (consisting of only normal recurring accruals) necessary to fairly present Resources' financial position as of December 31, 2022 three December 31, 2022 2021 three December 31, 2022 2021 three December 31, 2022 not September 30, 2023 The unaudited condensed consolidated financial statements and condensed notes are presented under the rules and regulations of the SEC. Pursuant to those rules, certain information and note disclosures normally included in the annual financial statements prepared in accordance with GAAP have been condensed or omitted. Although the Company believes that the disclosures are adequate, the unaudited condensed consolidated financial statements and condensed notes should be read in conjunction with the financial statements and notes contained in the Company’s Form 10 September 30, 2022 September 30, 2022 10 The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The Company’s significant accounting policies are described in Note 1 10 September 30, 2022
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Issued or Adopted Accounting Standards In March 2020, 2020 04, Reference Rate Reform (Topic 848 2021 01 2022 06, December 31, 2024. one one six one June 2023 no may December 31, 2021. one None not 2023. Other accounting standards that have been issued by the FASB or other standard-setting bodies are not not

Note 2 - Revenue (Tables)

Note 2 - Revenue (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Disaggregation of Revenue [Table Text Block]	Three Months Ended December 31, 2022 Three Months Ended December 31, 2021 Gas utility Non utility Total operating revenues Gas utility Non utility Total operating revenues Natural Gas (Billed and Unbilled): Residential $ 19,365,840 $ — $ 19,365,840 $ 13,212,489 $ — $ 13,212,489 Commercial 12,019,113 — 12,019,113 7,385,718 — 7,385,718 Industrial and Transportation 1,588,068 — 1,588,068 1,313,091 — 1,313,091 Other 421,995 29,568 451,563 223,828 31,425 255,253 Total contracts with customers 33,395,016 29,568 33,424,584 22,135,126 31,425 22,166,551 Alternative Revenue Programs (142,249 ) — (142,249 ) 1,096,529 — 1,096,529 Total operating revenues $ 33,252,767 $ 29,568 $ 33,282,335 $ 23,231,655 $ 31,425 $ 23,263,080
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]	Current Assets Current Liabilities Trade accounts receivable (1) Unbilled revenue (1) Customer credit balances Customer deposits Balance at September 30, 2022 $ 3,697,431 $ 1,585,062 $ 1,400,770 $ 1,457,610 Balance at December 31, 2022 11,282,850 9,531,260 1,269,179 1,559,528 Increase (decrease) $ 7,585,419 $ 7,946,198 $ (131,591 ) $ 101,918

Note 3 - Income Taxes (Tables)

Note 3 - Income Taxes (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	Three Months Ended December 31, 2022 2021 Effective tax rate 23.4 % 23.2 %

Note 5 - Other Investments (Tab

Note 5 - Other Investments (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Investment [Table Text Block]	Balance Sheet location: December 31, 2022 September 30, 2022 Other Assets: MVP $ 14,545,563 $ 13,689,370 Southgate 86,388 83,705 Investment in unconsolidated affiliates $ 14,631,951 $ 13,773,075 Current Liabilities: MVP $ 843,415 $ 804,404 Southgate 557 102 Capital contributions payable $ 843,972 $ 804,506 Three Months Ended Income Statement location: December 31, 2022 December 31, 2021 Equity in earnings of unconsolidated affiliate $ 1,232 $ 72,127 December 31, 2022 September 30, 2022 Undistributed earnings, net of income taxes, of MVP in retained earnings, excluding impairment $ 8,136,398 $ 8,135,482 Three Months Ended December 31, 2022 December 31, 2021 Cash investment $ 818,178 $ 2,143,981 Change in accrued capital calls 39,466 (211,580 ) Equity in earnings of unconsolidated affiliate 1,232 72,127 Change in investment in unconsolidated affiliates $ 858,876 $ 2,004,528
Equity Method Investments [Table Text Block]	Income Statements Three Months Ended December 31, 2022 December 31, 2021 AFUDC $ — $ 6,883,069 Other income (expense), net 160,472 (45,063 ) Net income $ 160,472 $ 6,838,006 Balance Sheets December 31, 2022 September 30, 2022 Assets: Current assets $ 91,864,255 $ 76,474,981 Construction work in progress 6,727,679,677 6,667,146,408 Other assets 8,873,646 8,021,877 Total assets $ 6,828,417,578 $ 6,751,643,266 Liabilities and Equity: Current liabilities $ 118,168,250 $ 115,061,723 Capital 6,710,249,328 6,636,581,543 Total liabilities and equity $ 6,828,417,578 $ 6,751,643,266

Note 8 - Long-term Debt (Tables

Note 8 - Long-term Debt (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Long-Term Debt Instruments [Table Text Block]	December 31, 2022 September 30, 2022 Principal Unamortized Debt Issuance Costs Principal Unamortized Debt Issuance Costs Roanoke Gas: Unsecured senior notes payable, at 4.26% $ 30,500,000 $ 113,435 $ 30,500,000 $ 115,849 Unsecured term notes payable, at 3.58% 8,000,000 22,876 8,000,000 24,080 Unsecured term notes payable, at 4.41% 10,000,000 25,844 10,000,000 26,627 Unsecured term notes payable, at 3.60% 10,000,000 24,659 10,000,000 25,539 Unsecured term note payable, at 30-day SOFR plus 1.20% 15,000,000 — 15,000,000 — Unsecured term note payable, at 30-day LIBOR plus 1.00% 10,000,000 27,479 10,000,000 28,674 Midstream: Unsecured term notes payable, at TERM SOFR plus 1.50% 23,000,000 12,458 21,896,200 18,553 Unsecured term note payable, at 30-day LIBOR plus 1.15% 14,000,000 8,427 14,000,000 9,029 Unsecured term note payable, at 30-day LIBOR plus 1.20% 9,750,000 3,340 9,875,000 3,929 Unsecured term note payable, at 30-day LIBOR plus 1.15% 8,000,000 22,487 8,000,000 23,631 Total long-term debt 138,250,000 261,005 137,271,200 275,911 Less: current maturities of long-term debt (24,700,000 ) — (1,300,000 ) — Total long-term debt, net current maturities $ 113,550,000 $ 261,005 $ 135,971,200 $ 275,911

Note 9 - Other Comprehensive _2

Note 9 - Other Comprehensive Income (Loss) (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Comprehensive Income (Loss) [Table Text Block]	Tax Before-Tax (Expense) Net-of-Tax Amount or Benefit Amount Three Months Ended December 31, 2022 Interest rate swaps: Unrealized gains $ 43,947 $ (11,311 ) $ 32,636 Transfer of realized gains to interest expense (290,779 ) 74,845 (215,934 ) Net interest rate swaps (246,832 ) 63,534 (183,298 ) Defined benefit plans: Amortization of actuarial losses 19,703 (5,072 ) 14,631 Other comprehensive loss $ (227,129 ) $ 58,462 $ (168,667 ) Three Months Ended December 31, 2021 Interest rate swaps: Unrealized gains $ 315,983 $ (81,333 ) $ 234,650 Transfer of realized losses to interest expense 171,863 (44,239 ) 127,624 Net interest rate swaps 487,846 (125,572 ) 362,274 Defined benefit plans: Amortization of actuarial gains (15,070 ) 3,879 (11,191 ) Other comprehensive income $ 472,776 $ (121,693 ) $ 351,083
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]	Accumulated Other Interest Rate Defined Benefit Comprehensive Swaps Plans Income (Loss) Balance at September 30, 2022 $ 3,563,341 $ (1,598,977 ) $ 1,964,364 Other comprehensive income (loss) (183,298 ) 14,631 (168,667 ) Balance at December 31, 2022 $ 3,380,043 $ (1,584,346 ) $ 1,795,697

Note 11 - Earnings Per Share (T

Note 11 - Earnings Per Share (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended December 31, 2022 2021 Net income $ 3,256,405 $ 3,584,529 Weighted average common shares 9,830,206 8,383,986 Effect of dilutive securities: Options to purchase common stock 6,982 9,046 Diluted average common shares 9,837,188 8,393,032 Earnings per share of common stock: Basic $ 0.33 $ 0.43 Diluted $ 0.33 $ 0.43

Note 12 - Employee Benefit Pl_2

Note 12 - Employee Benefit Plans (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Net Benefit Costs [Table Text Block]	Three Months Ended December 31, 2022 2021 Components of net periodic pension cost: Service cost $ 91,635 $ 162,072 Interest cost 343,025 253,279 Expected return on plan assets (308,149 ) (457,888 ) Recognized loss 79,181 36,600 Net periodic pension cost (benefit) $ 205,692 $ (5,937 ) Three Months Ended December 31, 2022 2021 Components of postretirement benefit cost: Service cost $ 11,475 $ 24,450 Interest cost 155,156 110,930 Expected return on plan assets (116,012 ) (166,541 ) Recognized loss — — Net postretirement benefit cost (benefit) $ 50,619 $ (31,161 )

Note 13 - Fair Value Measurem_2

Note 13 - Fair Value Measurements (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurements - December 31, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Fair Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Assets: Interest rate swaps $ 4,551,635 $ — $ 4,551,635 $ — Total $ 4,551,635 $ — $ 4,551,635 $ — Liabilities: Natural gas purchases $ 2,187,722 $ — $ 2,187,722 $ — Total $ 2,187,722 $ — $ 2,187,722 $ — Fair Value Measurements - September 30, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Fair Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Assets: Interest rate swaps $ 4,798,467 $ — $ 4,798,467 $ — Total $ 4,798,467 $ — $ 4,798,467 $ — Liabilities: Natural gas purchases $ 1,295,225 $ — $ 1,295,225 $ — Total $ 1,295,225 $ — $ 1,295,225 $ —
Fair Value, by Balance Sheet Grouping [Table Text Block]	Fair Value Measurements - December 31, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Carrying Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Liabilities: Current maturities of long-term debt $ 24,700,000 $ — $ — $ 24,697,717 Notes payable 113,550,000 — — 109,036,788 Total $ 138,250,000 $ — $ — $ 133,734,505 Fair Value Measurements - September 30, 2022 Quoted Significant Prices Other Significant in Active Observable Unobservable Carrying Markets Inputs Inputs Value (Level 1) (Level 2) (Level 3) Liabilities: Current maturities of long-term debt $ 1,300,000 $ — $ — $ 1,300,000 Notes payable 135,971,200 — — 130,266,252 Total $ 137,271,200 $ — $ — $ 131,566,252

Note 14 - Segment Information (

Note 14 - Segment Information (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three Months Ended December 31, 2022 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Operating revenues $ 33,252,767 $ — $ 29,568 $ 33,282,335 Depreciation 2,419,541 — — 2,419,541 Operating income (loss) 5,567,345 (46,704 ) 23,844 5,544,485 Equity in earnings — 1,232 — 1,232 Interest expense 822,566 546,598 — 1,369,164 Income (loss) before income taxes 4,819,955 (592,615 ) 23,819 4,251,159 Three Months Ended December 31, 2021 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Operating revenues $ 23,231,655 $ — $ 31,425 $ 23,263,080 Depreciation 2,270,694 — — 2,270,694 Operating income (loss) 5,404,316 (51,560 ) 25,667 5,378,423 Equity in earnings — 72,127 — 72,127 Interest expense 764,863 339,993 — 1,104,856 Income (loss) before income taxes 4,959,182 (316,881 ) 25,832 4,668,133 December 31, 2022 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Total assets $ 270,030,140 $ 15,277,600 $ 22,644,422 $ 307,952,162 September 30, 2022 Gas Utility Investment in Affiliates Parent and Other Consolidated Total Total assets $ 258,519,230 $ 13,838,108 $ 17,951,905 $ 290,309,243

Note 15 - Regulatory Assets a_2

Note 15 - Regulatory Assets and Liabilities (Tables)	3 Months Ended
	Dec. 31, 2022
Notes Tables
Schedule of Regulatory Assets [Table Text Block]	December 31, 2022 September 30, 2022 Assets: Current Assets: Regulatory assets: Accrued WNA revenues $ 6,870 $ 193,518 Under-recovery of gas costs — 1,316,580 Accrued pension and postretirement medical 178,433 237,911 Other deferred expenses 129,459 129,459 Total current 314,762 1,877,468 Utility Property: In service: Other 11,945 11,945 Construction work in progress: AFUDC 565,113 461,342 Other Non-Current Assets: Regulatory assets: Premium on early retirement of debt 1,341,699 1,370,246 Accrued pension and postretirement medical 3,894,561 3,894,561 Other deferred expenses 184,408 181,740 Total non-current 5,420,668 5,446,547 Total regulatory assets $ 6,312,488 $ 7,797,302
Schedule of Regulatory Liabilities [Table Text Block]	December 31, 2022 September 30, 2022 Liabilities and Stockholders' Equity: Current Liabilities: Regulatory liabilities: Over-recovery of gas costs $ 4,447,378 $ — Over-recovery of SAVE Plan revenues 136,010 158,847 Deferred income taxes 363,297 363,297 Supplier refunds 1,802,357 2,484,992 Other deferred liabilities 164,377 160,930 Total current 6,913,419 3,168,066 Deferred Credits and Other Non-Current Liabilities: Asset retirement obligations 10,329,950 10,204,079 Regulatory cost of retirement obligations 12,520,934 12,277,796 Regulatory liabilities: Deferred income taxes 13,037,430 13,193,006 Other 30,118 30,118 Total non-current 35,918,432 35,704,999 Total regulatory liabilities $ 42,831,851 $ 38,873,065

Note 2 - Revenue - Disaggregati

Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Total contracts with customers	$ 33,424,584	$ 22,166,551
Alternative Revenue Programs	(142,249)	1,096,529
Operating revenues	33,282,335	23,263,080
Oil and Gas [Member] | Residential [Member]
Total contracts with customers	19,365,840	13,212,489
Oil and Gas [Member] | Commercial [Member]
Total contracts with customers	12,019,113	7,385,718
Oil and Gas [Member] | Industrial and Transportation [Member]
Total contracts with customers	1,588,068	1,313,091
Product and Service, Other [Member]
Total contracts with customers	451,563	255,253
Gas Utility [Member]
Total contracts with customers	33,395,016	22,135,126
Alternative Revenue Programs	(142,249)	1,096,529
Operating revenues	33,252,767	23,231,655
Gas Utility [Member] | Oil and Gas [Member] | Residential [Member]
Total contracts with customers	19,365,840	13,212,489
Gas Utility [Member] | Oil and Gas [Member] | Commercial [Member]
Total contracts with customers	12,019,113	7,385,718
Gas Utility [Member] | Oil and Gas [Member] | Industrial and Transportation [Member]
Total contracts with customers	1,588,068	1,313,091
Gas Utility [Member] | Product and Service, Other [Member]
Total contracts with customers	421,995	223,828
Non-utility [Member]
Total contracts with customers	29,568	31,425
Alternative Revenue Programs	0	0
Operating revenues	29,568	31,425
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	$ 29,568	$ 31,425

Note 2 - Revenue - Customer Acc

Note 2 - Revenue - Customer Accounts Receivable (Details) - USD ($)		3 Months Ended
		Dec. 31, 2022	Sep. 30, 2022
Trade accounts receivable		$ 21,029,677	$ 5,353,270
Unbilled revenue		9,531,260	1,585,062
Customer credit balances		1,269,179	1,400,770
Customer deposits		1,559,528	1,457,610
Increase (decrease) in Unbilled revenue	[1]	7,946,198
Increase (decrease) in Customer credit balances		(131,591)
Increase (decrease) in Customer deposits		101,918
Trade Accounts Receivable [Member]
Trade accounts receivable		11,282,850	$ 3,697,431
Increase (decrease) in Trade accounts receivable	[1]	$ 7,585,419
[1]Included in accounts receivable in the condensed consolidated balance sheet. Amounts shown net of reserve for credit losses.

Note 3 - Income Taxes (Details

Note 3 - Income Taxes (Details Textual)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate Reconciliation, at Federal and State Statutory Income Tax Rate, Percent	25.74%	25.74%
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2017 2018 2019
State and Local Jurisdiction [Member] | Virginia, Jurisdiction [Member]
Open Tax Year	2017 2018 2019 2020 2021 2022
State and Local Jurisdiction [Member] | West Virginia, Jurisdiction [Member]
Open Tax Year	2019 2020 2021 2022

Note 3 - Income Taxes - Income

Note 3 - Income Taxes - Income Positions (Details)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Effective tax rate	23.40%	23.20%

Note 4 - Rates and Regulatory_2

Note 4 - Rates and Regulatory Matters (Details Textual)		3 Months Ended			12 Months Ended
	Dec. 02, 2022 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2022 USD ($)	Jul. 19, 2022	Jun. 02, 2022
Public Utilities, Requested Rate Increase (Decrease), Amount	$ 8,550,000
Regulated Operating Revenue, SAVE Revenue	$ 4,050,000
Public Utilities, Allowance for Funds Used During Construction, Additions		$ 103,771		$ 0
Number of Locations, Natural Gas Delivery Assets, Requested Acquisition							5
Number of Locations, Natural Gas Delivery Assets, Approved Acquisition						2
Natural Gas Delivery Assets [Member] | Housing Authority Management [Member]
Asset Acquisition, Recognized Pre-tax Gain			$ 219,000
Roanoke Gas Company [Member]
Public Utilities, Allowance for Funds Used During Construction, Additions					$ 179,000

Note 5 - Other Investments (Det

Note 5 - Other Investments (Details Textual) - USD ($)	3 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Dec. 31, 2022
Long-Term Investments, Total	$ 13,773,075		$ 14,631,951
MVP [Member]
Long-Term Investments, Total	13,689,370		$ 14,545,563
RGC Midstream LLC [Member] | MVP Southgate Investment [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			1%
RGC Midstream LLC [Member] | MVP [Member]
Equity Method Investment, Ownership Percentage			1%
Number of Gate Stations, Suspended Accruing of Afudc			2
Long Term Investment, Other than Temporary Impairment	15,300,000	$ 39,800,000
Long-Term Investments, Total	$ 13,800,000

Note 5 - Other Investments - Sc

Note 5 - Other Investments - Schedule of Other Investments (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Investment in unconsolidated affiliates	$ 14,631,951		$ 13,773,075
Capital contributions payable	843,972		804,506
Equity in earnings of unconsolidated affiliate	1,232	$ 72,127
Undistributed earnings, net of income taxes, of MVP in retained earnings, excluding impairment	8,136,398		8,135,482
Cash investment	818,178	2,143,981
Change in accrued capital calls	39,466	(211,580)
Change in investment in unconsolidated affiliates	858,876	$ 2,004,528
MVP [Member]
Investment in unconsolidated affiliates	14,545,563		13,689,370
Capital contributions payable	843,415		804,404
Southgate [Member]
Investment in unconsolidated affiliates	86,388		83,705
Capital contributions payable	$ 557		$ 102

Note 5 - Other Investments - In

Note 5 - Other Investments - Investment in Unconsolidated Entity (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Other income (expense), net	$ 74,606	$ 322,439
Net income	3,256,405	3,584,529
Current assets	47,845,073		$ 35,548,319
Total assets	307,952,162		290,309,243
Current liabilities	60,164,437		22,315,310
Capital	94,890,007	102,294,845	93,090,656	$ 99,701,709
Total liabilities and equity	307,952,162		290,309,243
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Current assets	91,864,255		76,474,981
Construction work in progress	6,727,679,677		6,667,146,408
Other assets	8,873,646		8,021,877
Total assets	6,828,417,578		6,751,643,266
Current liabilities	118,168,250		115,061,723
Capital	6,710,249,328		6,636,581,543
Total liabilities and equity	6,828,417,578		$ 6,751,643,266
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | MVP [Member]
AFUDC	0	6,883,069
Other income (expense), net	160,472	(45,063)
Net income	$ 160,472	$ 6,838,006

Note 6 - Derivatives and Hedg_2

Note 6 - Derivatives and Hedging (Details Textual) $ in Millions	Sep. 30, 2022 USD ($)	Apr. 01, 2022 USD ($)	Dec. 31, 2022	Jun. 30, 2022	Nov. 01, 2021 USD ($)	Sep. 30, 2021	Sep. 24, 2021 USD ($)	Aug. 20, 2021 USD ($)	Jun. 30, 2019 USD ($)
Number of Interest Rate Derivatives Held			5
Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member]
Debt Instrument, Face Amount								$ 15
Roanoke Gas Company [Member]
Number of Interest Rate Derivatives Held						2
Roanoke Gas Company [Member] | Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member]
Debt Instrument, Face Amount								15
Roanoke Gas Company [Member] | Unsecured Term Notes Payable, at 30-day LIBOR Plus 100 Basis Points, Due October 1, 2028 [Member]
Debt Instrument, Face Amount							$ 10
Proceeds from Issuance of Long-Term Debt, Total	$ 5	$ 5
Roanoke Gas Company [Member] | Unsecured Debt [Member] | Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member]
Debt Instrument, Face Amount								$ 15
Derivative, Fixed Interest Rate								2%
Roanoke Gas Company [Member] | Unsecured Debt [Member] | Unsecured Term Notes Payable, at 30-day LIBOR Plus 100 Basis Points, Due October 1, 2028 [Member]
Debt Instrument, Face Amount							$ 10
Derivative, Fixed Interest Rate							2.49%
RGC Midstream LLC [Member]
Number of Interest Rate Derivatives Held				2
Debt Instrument, Number of Instruments							2
RGC Midstream LLC [Member] | Unsecured Debt [Member]
Debt Instrument, Face Amount					$ 8
Derivative, Fixed Interest Rate					2.443%
RGC Midstream LLC [Member] | Unsecured Debt [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.15%, Due June 12, 2026 [Member]
Debt Instrument, Face Amount									$ 14
RGC Midstream LLC [Member] | Unsecured Debt [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.20%, Due June 1, 2024 [Member]
Debt Instrument, Face Amount									$ 10
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 30-day LIBOR Plus 1.15% Due June 12, 2026 [Member]
Derivative, Fixed Interest Rate									3.24%
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 30-day LIBOR Plus 1.20%, Due June 1, 2024 [Member]
Derivative, Fixed Interest Rate									3.14%

Note 7 - Short-term Debt (Detai

Note 7 - Short-term Debt (Details Textual) - USD ($)	Mar. 31, 2022	Dec. 31, 2022
Long-Term Line of Credit, Total		$ 9,391,974
Minimum [Member]
Line of Credit Facility, Maximum Borrowing Capacity		21,000,000
Maximum [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 33,000,000
Line of Credit [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.10%

Note 8 - Long-term Debt (Detail

Note 8 - Long-term Debt (Details Textual) - USD ($) $ in Millions								3 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Apr. 01, 2022	Nov. 01, 2021	Sep. 24, 2021	Aug. 20, 2021	Mar. 31, 2021	Dec. 31, 2022	Mar. 31, 2022	Oct. 31, 2021
Debt Instruments, Overall Maximum Borrowing Capacity				$ 33					$ 23	$ 41
Debt Instrument, Debt Covenant Ratio of Long-term Debt to Total Capitalization, Maximum								65%
Debt Instrument, Debt Covenant, Ratio of Priority Debt to Total Assets, Maximum								15%
Debt Instrument, Debt Covenant, Interest Coverage Ratio								1.5
Unsecured Promissory Note with 30 Day LIBOR Plus 1.15 Basis Points Maturing January 1, 2028 [Member] | RGC Midstream LLC [Member]
Debt Instrument, Face Amount				$ 8
Derivative, Fixed Interest Rate				2.443%
Unsecured Promissory Note with 30 Day LIBOR Plus 1.15 Basis Points Maturing January 1, 2028 [Member] | RGC Midstream LLC [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate				1.15%
Cash Infusion Proceeds Utilized to Repay Non-revolving Credit Facility [Member]
Repayments of Debt							$ 10
Unsecured Promissory Notes [Member] | RGC Midstream LLC [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		1.35%
Unsecured Promissory Notes [Member] | RGC Midstream LLC [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		1.50%
Unsecured Term Notes Payable, at 30-day LIBOR Plus 100 Basis Points, Due October 1, 2028 [Member] | Roanoke Gas Company [Member]
Debt Instrument, Face Amount					$ 10
Proceeds from Issuance of Long-Term Debt, Total	$ 5		$ 5
Unsecured Term Notes Payable, at 30-day LIBOR Plus 100 Basis Points, Due October 1, 2028 [Member] | Roanoke Gas Company [Member] | Interest Rate Swap [Member]
Derivative, Fixed Interest Rate					2.49%
Derivative, Notional Amount					$ 10
Unsecured Term Notes Payable, at 30-day LIBOR Plus 100 Basis Points, Due October 1, 2028 [Member] | Roanoke Gas Company [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate					1%
Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member]
Debt Instrument, Face Amount						$ 15
Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member] | Roanoke Gas Company [Member]
Debt Instrument, Face Amount						$ 15
Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member] | Roanoke Gas Company [Member] | Interest Rate Swap [Member]
Derivative, Fixed Interest Rate						2%
Derivative, Notional Amount						$ 15
Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member] | Roanoke Gas Company [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate						1.20%

Note 8 - Long-term Debt - Long-

Note 8 - Long-term Debt - Long-term Debt (Details) - USD ($)	Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2021
Notes payable	$ 138,250,000		$ 137,271,200
Unamortized Debt Issuance Costs	261,005	$ 275,911	275,911
Total long-term debt, net current maturities	113,550,000		135,971,200
Notes Payable [Member]
Less: current maturities of long-term debt	(24,700,000)		(1,300,000)
Roanoke Gas Company [Member] | Unsecured Senior Notes Payable [Member] | Unsecured Senior Notes Payable, at 4.26%, Due on September 18, 2034 [Member]
Notes payable	30,500,000		30,500,000
Unamortized Debt Issuance Costs	113,435		115,849
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 3.58%, Due on October 2, 2027 [Member]
Notes payable	8,000,000		8,000,000
Unamortized Debt Issuance Costs	22,876		24,080
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 4.41 %, Due on March 28, 2031 [Member]
Notes payable	10,000,000		10,000,000
Unamortized Debt Issuance Costs	25,844		26,627
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 3.60%, Due on December 6, 2029 [Member]
Notes payable	10,000,000		10,000,000
Unamortized Debt Issuance Costs	24,659		25,539
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day SOFR Plus 1.20%, Due August 20, 2026 [Member]
Unamortized Debt Issuance Costs	0
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day SOFR Plus 1.20%, Due August 20, 2026 [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Notes payable	15,000,000		15,000,000
Unamortized Debt Issuance Costs			0
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 0.90%, Due November 1, 2021 [Member]
Notes payable	10,000,000		10,000,000
Unamortized Debt Issuance Costs	27,479		28,674
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Line of Credit, at 30-day LIBOR Plus 1.50%, Due December 31, 2023 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Notes payable	23,000,000		21,896,200
Unamortized Debt Issuance Costs	12,458		18,553
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Delayed Draw Term Note with 30 Day LIBOR Maturing October 1, 2028 [Member]
Unamortized Debt Issuance Costs	8,427		9,029
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Delayed Draw Term Note with 30 Day LIBOR Maturing October 1, 2028 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Notes payable	14,000,000		14,000,000
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.15%, Due June 12, 2026 [Member]
Unamortized Debt Issuance Costs	3,340		3,929
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.15%, Due June 12, 2026 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Notes payable	9,750,000		9,875,000
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.20%, Due June 1, 2024 [Member]
Unamortized Debt Issuance Costs	22,487
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.20%, Due June 1, 2024 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Notes payable	8,000,000		8,000,000
Unamortized Debt Issuance Costs			23,631
RGC Midstream LLC [Member] | Notes Payable [Member]
Unamortized Debt Issuance Costs	$ 261,005		$ 275,911

Note 8 - Long-term Debt - Lon_2

Note 8 - Long-term Debt - Long-term Debt (Details) (Parentheticals)	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Sep. 30, 2021
Roanoke Gas Company [Member] | Unsecured Senior Notes Payable [Member] | Unsecured Senior Notes Payable, at 4.26%, Due on September 18, 2034 [Member]
Stated rate	4.26%	4.26%
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 3.58%, Due on October 2, 2027 [Member]
Stated rate	3.58%	3.58%
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 4.41 %, Due on March 28, 2031 [Member]
Stated rate	4.41%	4.41%
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Notes Payable, at 3.60%, Due on December 6, 2029 [Member]
Stated rate	3.60%	3.60%
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day SOFR Plus 1.20%, Due August 20, 2026 [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.20%	1.20%
Roanoke Gas Company [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 0.90%, Due November 1, 2021 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1%	1%
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Line of Credit, at 30-day LIBOR Plus 1.50%, Due December 31, 2023 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.50%	1.50%
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Delayed Draw Term Note with 30 Day LIBOR Maturing October 1, 2028 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.15%	1.15%
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.15%, Due June 12, 2026 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.20%	1.20%
RGC Midstream LLC [Member] | Unsecured Term Notes [Member] | Unsecured Term Note Payable, at 30-day LIBOR Plus 1.20%, Due June 1, 2024 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.15%	1.15%

Note 9 - Other Comprehensive _3

Note 9 - Other Comprehensive Income (Loss) - Schedule of Other Comprehensive Income and Loss (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Unrealized gains (losses)	$ 43,947	$ 315,983
Unrealized gains (losses)	(11,311)	(81,333)
Unrealized gains (losses)	32,636	234,650
Transfer of realized gains to interest expense	(290,779)	171,863
Transfer of realized gains to interest expense	74,845	(44,239)
Transfer of realized gains to interest expense	(215,934)	127,624
Net interest rate swaps	(246,832)	487,846
Net interest rate swaps	63,534	(125,572)
Net interest rate swaps	(183,298)	362,274
Amortization of actuarial losses	19,703	(15,070)
Amortization of actuarial losses	(5,072)	3,879
Amortization of actuarial losses	14,631	(11,191)
Other comprehensive income (loss)	(227,129)	472,776
Other comprehensive income (loss)	58,462	(121,693)
Other comprehensive income (loss)	(168,667)	351,083
Unrealized gains	32,636	234,650
Transfer of realized losses to interest expense	$ (215,934)	$ 127,624

Note 9 - Other Comprehensive _4

Note 9 - Other Comprehensive Income (Loss) - Reconciliation of Accumulated Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 93,090,656	$ 99,701,709
Other comprehensive loss	(168,667)	351,083
Balance	94,890,007	102,294,845
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	3,563,341
Other comprehensive loss	(183,298)
Balance	3,380,043
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Balance	(1,598,977)
Other comprehensive loss	14,631
Balance	(1,584,346)
AOCI Attributable to Parent [Member]
Balance	1,964,364	(1,535,434)
Other comprehensive loss	(168,667)	351,083
Balance	$ 1,795,697	$ (1,184,351)

Note 10 - Commitments and Con_2

Note 10 - Commitments and Contingencies (Details Textual)	3 Months Ended
	Dec. 31, 2022
Number of Pipelines	2

Note 11 - Earnings Per Share -

Note 11 - Earnings Per Share - Earnings Per Share (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Net income	$ 3,256,405	$ 3,584,529
Weighted average common shares (in shares)	9,830,206	8,383,986
Options to purchase common stock (in shares)	6,982	9,046
Diluted average common shares (in shares)	9,837,188	8,393,032
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.33	$ 0.43
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.33	$ 0.43

Note 12 - Employee Benefit Pl_3

Note 12 - Employee Benefit Plans (Details Textual) $ in Thousands	3 Months Ended
	Dec. 31, 2022 USD ($)
Pension Plan [Member]
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 0
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	0
Other Postretirement Benefits Plan [Member]
Defined Benefit Plan, Plan Assets, Contributions by Employer	0
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	$ 0

Note 12 - Employee Benefit Pl_4

Note 12 - Employee Benefit Plans - Schedule of Components of Net Periodic Pension and Postretirement Benefit Cost (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Pension Plan [Member]
Service cost	$ 91,635	$ 162,072
Interest cost	343,025	253,279
Expected return on plan assets	(308,149)	(457,888)
Recognized loss	79,181	36,600
Net periodic pension cost (benefit)	205,692	(5,937)
Postemployment Retirement Benefits [Member]
Service cost	11,475	24,450
Interest cost	155,156	110,930
Expected return on plan assets	(116,012)	(166,541)
Recognized loss	0	0
Net periodic pension cost (benefit)	$ 50,619	$ (31,161)

Note 13 - Fair Value Measurem_3

Note 13 - Fair Value Measurements (Details Textual) - Customer Concentration Risk [Member] - Accounts Receivable [Member]	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022
Number of Major Customers	1	0
One Customer [Member]
Concentration Risk, Percentage	5.10%

Note 13 - Fair Value Measurem_4

Note 13 - Fair Value Measurements - Schedule of Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Total Assets fair value	$ 4,551,635	$ 4,798,467
Natural gas purchases	2,187,722	1,295,225
Total Liabilities fair value	2,187,722	1,295,225
Fair Value, Inputs, Level 1 [Member]
Total Assets fair value	0	0
Natural gas purchases	0	0
Total Liabilities fair value	0	0
Interest rate swaps, liabilities		0
Fair Value, Inputs, Level 2 [Member]
Total Assets fair value	4,551,635	4,798,467
Natural gas purchases	2,187,722	1,295,225
Total Liabilities fair value	2,187,722	1,295,225
Fair Value, Inputs, Level 3 [Member]
Total Assets fair value	0	0
Natural gas purchases	0	0
Total Liabilities fair value	0	0
Interest Rate Swap [Member]
Interest rate swaps	4,551,635
Interest rate swaps, liabilities		4,798,467
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member]
Interest rate swaps	0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Interest rate swaps	4,551,635
Interest rate swaps, liabilities		4,798,467
Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member]
Interest rate swaps	$ 0
Interest rate swaps, liabilities		$ 0

Note 13- Fair Value Measurement

Note 13- Fair Value Measurements - Summary of the Fair Value of Financial Assets and Liabilities Not Adjusted to Fair Value (Details) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Current maturities of long-term debt	$ 24,700,000	$ 1,300,000
Reported Value Measurement [Member]
Current maturities of long-term debt	24,700,000	1,300,000
Notes payable	113,550,000	135,971,200
Total Liabilities fair value	138,250,000	137,271,200
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Current maturities of long-term debt	0	0
Notes payable	0	0
Total Liabilities fair value	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Current maturities of long-term debt	0	0
Notes payable	0	0
Total Liabilities fair value	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Current maturities of long-term debt	24,697,717	1,300,000
Notes payable	109,036,788	130,266,252
Total Liabilities fair value	$ 133,734,505	$ 131,566,252

Note 14 - Segment Information -

Note 14 - Segment Information - Segment Information (Details) - USD ($)	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2022
Operating revenues	$ 33,282,335	$ 23,263,080
Depreciation	2,419,541	2,270,694
Operating income (loss)	5,544,485	5,378,423
Equity in earnings	1,232	72,127
Interest expense	1,369,164	1,104,856
Income (loss) before income taxes	4,251,159	4,668,133
Operating revenues	33,282,335	23,263,080
Total assets	307,952,162		$ 290,309,243
Operating Segments [Member] | Gas Utility [Member]
Operating revenues	33,252,767	23,231,655
Depreciation	2,419,541	2,270,694
Operating income (loss)	5,567,345	5,404,316
Equity in earnings	0	0
Interest expense	822,566	764,863
Income (loss) before income taxes	4,819,955	4,959,182
Operating revenues	33,252,767	23,231,655
Total assets	270,030,140		258,519,230
Operating Segments [Member] | Investment in Affiliates [Member]
Operating revenues	0	0
Depreciation	0	0
Operating income (loss)	(46,704)	(51,560)
Equity in earnings	1,232	72,127
Interest expense	546,598	339,993
Income (loss) before income taxes	(592,615)	(316,881)
Operating revenues	0	0
Total assets	15,277,600		13,838,108
Corporate, Non-Segment [Member]
Operating revenues	29,568	31,425
Depreciation	0	0
Operating income (loss)	23,844	25,667
Equity in earnings	0	0
Interest expense	0	0
Income (loss) before income taxes	23,819	25,832
Operating revenues	29,568	$ 31,425
Total assets	$ 22,644,422		$ 17,951,905

Note 15 - Regulatory Assets a_3

Note 15 - Regulatory Assets and Liabilities (Details Textual) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Remaining Amounts of Regulatory Assets for which No Return on Investment During Recovery Period is Provided	$ 6,300,543	$ 7,785,357

Note 15 - Regulatory Assets a_4

Note 15 - Regulatory Assets and Liabilities - Schedule of Regulatory Assets (Details) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Regulatory assets	$ 314,762	$ 1,877,468
Utility property in service, other	11,945	11,945
Construction work in progress - AFUDC	565,113	461,342
Noncurrent regulatory assets	5,420,668	5,446,547
Total regulatory assets	6,312,488	7,797,302
WNA [Member]
Regulatory assets	6,870	193,518
Regulatory Clause Revenues, under-Recovered [Member]
Regulatory assets	0	1,316,580
Pension Costs [Member]
Regulatory assets	178,433	237,911
Noncurrent regulatory assets	3,894,561	3,894,561
Other Assets [Member]
Regulatory assets	129,459	129,459
Noncurrent regulatory assets	184,408	181,740
Deferred Gain (Loss) on Early Extinguishment of Debt [Member]
Noncurrent regulatory assets	$ 1,341,699	$ 1,370,246

Note 15 - Regulatory Assets a_5

Note 15 - Regulatory Assets and Liabilities - Schedule of Regulatory Liabilities (Details) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Regulatory liabilities	$ 6,913,419	$ 3,168,066
Asset retirement obligations	10,329,950	10,204,079
Regulatory cost of retirement obligations	12,520,934	12,277,796
Regulatory Liability, Noncurrent	13,067,548	13,223,124
Total non-current	35,918,432	35,704,999
Total regulatory liabilities	42,831,851	38,873,065
Over-recovery of Gas Cost [Member]
Regulatory liabilities	4,447,378	0
Revenue Subject to Refund [Member]
Regulatory liabilities	136,010	158,847
Deferred Income Tax Charge [Member]
Regulatory liabilities	363,297	363,297
Regulatory Liability, Noncurrent	13,037,430	13,193,006
Supplier Refund [Member]
Regulatory liabilities	1,802,357	2,484,992
Other Deferred Liabilities [Member]
Regulatory liabilities	164,377	160,930
Other Regulatory Assets (Liabilities) [Member]
Regulatory Liability, Noncurrent	$ 30,118	$ 30,118