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Note 3 - Revenue (Tables)

3 Months Ended

Dec. 31, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended December 31, 2023												Three Months Ended December 31, 2022
		Gas utility				Non utility				Total operating revenues				Gas utility				Non utility				Total operating revenues
Natural Gas (Billed and Unbilled):
Residential		$	13,824,642			$	—			$	13,824,642			$	19,365,840			$	—			$	19,365,840
Commercial			7,841,726				—				7,841,726				12,019,113				—				12,019,113
Transportation and interruptible			1,370,270				—				1,370,270				1,588,068				—				1,588,068
Other			293,888				27,498				321,386				421,995				29,568				451,563
Total contracts with customers			23,330,526				27,498				23,358,024				33,395,016				29,568				33,424,584
Alternative revenue programs			1,061,328				—				1,061,328				(142,249	)			—				(142,249	)
Total operating revenues		$	24,391,854			$	27,498			$	24,419,352			$	33,252,767			$	29,568			$	33,282,335

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 December 31, 2023			8,302,330				4,757,101				1,882,100				1,646,267
Increase (decrease)		$	5,520,305			$	3,517,004			$	(90,032	)		$	169,946

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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No definition available.

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