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Note 2 - Revenue (Tables)

9 Months Ended

Jun. 30, 2024

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended June 30, 2024												Three Months Ended June 30, 2023
		Gas utility				Non utility				Total operating revenues				Gas utility				Non utility				Total operating revenues
Natural Gas (Billed and Unbilled):
Residential		$	7,333,332			$	—			$	7,333,332			$	7,405,959			$	—			$	7,405,959
Commercial			4,706,086				—				4,706,086				4,459,667				—				4,459,667
Transportation and interruptible			1,317,890				—				1,317,890				1,354,678				—				1,354,678
Other			168,514				26,823				195,337				170,160				28,389				198,549
Total contracts with customers			13,525,822				26,823				13,552,645				13,390,464				28,389				13,418,853
Alternative revenue programs			905,557				—				905,557				241,392				—				241,392
Total operating revenues		$	14,431,379			$	26,823			$	14,458,202			$	13,631,856			$	28,389			$	13,660,245

		Nine Months Ended June 30, 2024												Nine Months Ended June 30, 2023
		Gas utility				Non utility				Total operating revenues				Gas utility				Non utility				Total operating revenues
Natural Gas (Billed and Unbilled):
Residential		$	40,001,039			$	—			$	40,001,039			$	48,148,235			$	—			$	48,148,235
Commercial			22,946,163				—				22,946,163				28,502,754				—				28,502,754
Transportation and interruptible			4,047,151				—				4,047,151				4,508,997				—				4,508,997
Other			653,571				81,366				734,937				855,079				86,637				941,716
Total contracts with customers			67,647,924				81,366				67,729,290				82,015,065				86,637				82,101,702
Alternative revenue programs			3,807,640				—				3,807,640				2,870,535				—				2,870,535
Total operating revenues		$	71,455,564			$	81,366			$	71,536,930			$	84,885,600			$	86,637			$	84,972,237

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, 2023		$	2,782,025			$	1,240,097			$	1,972,132			$	1,476,321
Balance at June 30, 2024			3,783,662				1,423,346				1,075,453				1,586,618
Increase (decrease)		$	1,001,637			$	183,249			$	(896,679	)		$	110,297

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

No definition available.

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