XML 43 R25.htm IDEA: XBRL DOCUMENT v3.23.3

Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Regulatory Assets and Liabilities [Table Text Block]

		September 30
		2023				2022
Assets:
Current Assets:
Regulatory assets:
Accrued WNA revenues		$	414,689			$	193,518
Under-recovery of gas costs			1,383,340				1,316,580
Under-recovery of RNG revenues			797,804				—
Accrued pension			243,017				237,911
Other deferred expenses			15,426				129,459
Total current			2,854,276				1,877,468
Utility Property:
In service:
Other			479,647				11,945
Construction work in progress:
AFUDC			356,325				461,342
Other Non-Current Assets:
Regulatory assets:
Premium on early retirement of debt			1,256,059				1,370,246
Accrued pension			3,786,265				3,894,561
Other deferred expenses			347,121				181,740
Total non-current			5,389,445				5,446,547
Total regulatory assets		$	9,079,693			$	7,797,302
Liabilities and Stockholders' Equity:
Current Liabilities:
Regulatory liabilities:
Over-recovery of SAVE Plan revenues		$	146,861			$	158,847
Rate refund			652,018				—
Deferred income taxes			527,034				363,297
Supplier refunds			275,649				2,484,992
Other deferred liabilities			31,154				160,930
Total current			1,632,716				3,168,066
Deferred Credits and Non-Current Other Liabilities:
Asset retirement obligations			10,792,831				10,204,079
Regulatory cost of retirement obligations			13,029,376				12,277,796
Regulatory liabilities:
Deferred income taxes			16,249,776				13,193,006
Deferred postretirement medical			1,781,917				30,118
Total non-current			41,853,900				35,704,999
Total regulatory liabilities		$	43,486,616			$	38,873,065

Public Utility Property, Plant, and Equipment [Table Text Block]

		September 30
		2023				2022
Distribution and transmission		$	286,200,652			$	259,253,559
LNG storage			15,407,053				15,383,276
General and miscellaneous			16,762,186				16,303,848
Total utility property in service		$	318,369,891			$	290,940,683

Schedule of Change in Asset Retirement Obligation [Table Text Block]

		Years Ended September 30
		2023				2022
Beginning balance		$	10,204,079			$	7,628,958
Liabilities incurred			91,670				236,926
Liabilities settled			(180,865	)			(131,763	)
Accretion			677,947				397,692
Revisions to estimated cash flows			—				2,072,266
Ending balance		$	10,792,831			$	10,204,079

Financing Receivable, Allowance for Credit Loss [Table Text Block]

		Years Ended September 30
		2023				2022
Beginning balance		$	371,271			$	242,010
Provision for credit losses			54,211				492,875
Recoveries of accounts written off			181,676				135,143
Accounts written off			(451,994	)			(498,757	)
Ending balance		$	155,164			$	371,271

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Years Ended September 30
		2023				2022
Net income (loss)		$	11,299,282			$	(31,732,602	)
Weighted-average common shares			9,922,701				9,122,678
Effect of dilutive securities:
Options to purchase common stock			4,456				—
Diluted average common shares			9,927,157				9,122,678
Earnings per share of common stock:
Basic		$	1.14			$	(3.48	)
Diluted		$	1.14			$	(3.48	)

Comprehensive Income (Loss) [Table Text Block]

						Tax
		Before Tax				(Expense)				Net of Tax
		Amount				or Benefit				Amount
Year Ended September 30, 2023:
Interest rate swaps:
Unrealized gains		$	1,560,426			$	(401,652	)		$	1,158,774
Transfer of realized gains to interest expense			(1,741,437	)			448,244				(1,293,193	)
Net interest rate swaps			(181,011	)			46,592				(134,419	)
Defined benefit plans:
Net gains arising during period			491,270				(126,453	)			364,817
Amortization of actuarial losses			78,813				(20,286	)			58,527
Net defined benefit plans			570,083				(146,739	)			423,344
Other comprehensive income		$	389,072			$	(100,147	)		$	288,925
Year Ended September 30, 2022:
Interest rate swaps:
Unrealized gains		$	5,617,251			$	(1,445,878	)		$	4,171,373
Transfer of realized losses to interest expense			377,299				(97,121	)			280,178
Net interest rate swaps			5,994,550				(1,542,999	)			4,451,551
Defined benefit plans:
Net losses arising during period			(1,221,368	)			314,379				(906,989	)
Amortization of actuarial gains			(60,280	)			15,516				(44,764	)
Net defined benefit plans			(1,281,648	)			329,895				(951,753	)
Other comprehensive income		$	4,712,902			$	(1,213,104	)		$	3,499,798

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

		Interest Rate Swaps				Defined Benefit Plans				Accumulated Other Comprehensive Income (Loss)
Balance September 30, 2021		$	(888,210	)		$	(647,224	)		$	(1,535,434	)
Other comprehensive income (loss)			4,451,551				(951,753	)			3,499,798
Balance September 30, 2022			3,563,341				(1,598,977	)			1,964,364
Other comprehensive income (loss)			(134,419	)			423,344				288,925
Balance September 30, 2023		$	3,428,922			$	(1,175,633	)		$	2,253,289

X

- Definition

Tabular disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit.

+ References

No definition available.

+ Details

Name:	rgco_ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	rgco_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B

+ Details

Name:	us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of accumulated other comprehensive income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481674/830-30-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481694/830-30-45-20

+ Details

Name:	us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 410
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481850/410-20-50-1

+ Details

Name:	us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Paragraph 1
-Section 45
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-1

+ Details

Name:	us-gaap_ScheduleOfComprehensiveIncomeLossTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

+ Details

Name:	us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of public utility physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation expense and method used, including composite depreciation, and accumulated depreciation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 980
-SubTopic 20
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481834/980-20-45-1

+ Details

Name:	us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration