Represents the interest coverage ratio requirement.

No definition available.

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- Definition

The maximum debt covenant ratio of long-term debt to total capitalization of a debt instrument.

+ References

No definition available.

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- Definition

The maximum debt covenant ratio of priority debt to total assets of a debt instrument.

+ References

No definition available.

+ Details

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- Definition

The maximum amount of borrowings allowed for total debt instruments.

+ References

No definition available.

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for upfront payment.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Indicates type of variable interest rate on debt instrument.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Note 7 - Long-Term Debt (Details Textual) - USD ($)				3 Months Ended	12 Months Ended
Note 7 - Long-Term Debt (Details Textual) - USD ($)	May 02, 2024	Mar. 06, 2024	Jul. 28, 2023	Dec. 31, 2024	Sep. 30, 2024	Mar. 31, 2024	Jun. 28, 2023	Apr. 03, 2023	Aug. 20, 2021
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]	Secured Overnight Financing Rate (SOFR) [Member]	Secured Overnight Financing Rate (SOFR) [Member]	Secured Overnight Financing Rate (SOFR) [Member]	Secured Overnight Financing Rate (SOFR) [Member]
Debt Instruments, Overall Maximum Borrowing Capacity		$ 25,000,000
Unsecured Debt				$ 137,795,000	$ 137,755,000
Regulatory Asset				$ 8,553,589	9,548,954
Debt Instrument, Debt Covenant Ratio of Long-term Debt to Total Capitalization, Maximum				65.00%
Debt Instrument, Debt Covenant, Ratio of Priority Debt to Total Assets, Maximum				15.00%
Debt Instrument, Debt Covenant, Interest Coverage Ratio				1.5
Deferred Gain (Loss) on Early Extinguishment of Debt [Member]
Regulatory Asset				$ 1,113,325	$ 1,141,872
Regulatory Asset, Amortization Period (Year)				20 years
Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 9,000,000			$ 9,000,000
Debt Instrument, Debt Covenant, Interest Coverage Ratio				1.5
Unsecured Term Notes Payable, at 30-day SOFR Average 1.20% Due August 20, 2026 [Member]
Debt Instrument, Face Amount									$ 15,000,000
Amended and Restated Delayed Term Note Entered September 24, 2021 [Member]
Debt Instrument, Face Amount								$ 10,000,000
RGC Midstream LLC [Member] \| Unsecured Debt [Member]
Debt Instrument, Face Amount				$ 8,000,000			$ 8,000,000
RGC Midstream LLC [Member] \| Line of Credit [Member]
Debt Instrument, Basis Spread on Variable Rate	2.215%
Line of Credit Facility, Upfront Fee Percentage	0.40%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.125%
RGC Midstream LLC [Member] \| Unsecured Promissory Notes [Member]
Debt Instrument, Basis Spread on Variable Rate		2.00%	2.00%
RGC Midstream LLC [Member] \| Unsecured Promissory Notes [Member] \| Variable Rate Upon Meeting Milestones One [Member]
Debt Instrument, Basis Spread on Variable Rate		1.75%
RGC Midstream LLC [Member] \| Unsecured Promissory Notes [Member] \| Variable Rate Upon Meeting Milestones Two [Member]
Debt Instrument, Basis Spread on Variable Rate		1.55%
RGC Midstream LLC [Member] \| Unsecured Term Note Payable, at 30-day LIBOR Plus 1.20%, Due June 1, 2024 [Member] \| Unsecured Term Notes [Member]
Unsecured Debt						$ 9,000,000