XML 47 R29.htm IDEA: XBRL DOCUMENT v3.23.3

Note 6 - Line-of-credit (Tables)

12 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Line of Credit Available Credit Limit [Table Text Block]

			Available
As of			Line-of-Credit
September 30, 2023			$	13,000,000
October 1, 2023				22,000,000
December 1, 2023				25,000,000

Schedule of Line of Credit Facilities [Table Text Block]

		September 30
		2023				2022
Available line-of-credit at year-end		$	13,000,000			$	28,000,000
Outstanding balance at year-end			4,353,572				—
Highest month-end balance outstanding			9,990,114				19,636,179
Average daily balance			1,877,527				6,233,620
Average rate of interest during year on outstanding balances			5.16	%			1.15	%
Interest rate at year-end			6.43	%			4.08	%
Interest rate on unused line-of-credit			0.15	%			0.15	%

X

- Definition

Tabular disclosure of available unsecured line of credit limit. Credit limit varies during year to accommodate seasonal borrowing demands.

+ References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock
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