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Note 6 - Derivatives and Hedging	3 Months Ended
	Dec. 31, 2021
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	6. Derivatives and Hedging The Company’s hedging and derivative policy allows management to enter into derivatives for the purpose of managing the commodity and financial market risks of its business operations, including the price of natural gas and the cost of borrowed funds. This policy specifically prohibits the use of derivatives for speculative purposes. The Company has five interest rate swaps associated with its variable rate debt as of December 31, 2021. During fiscal 2021, Roanoke Gas entered into two delayed draw variable-rate term notes in the amounts of $15 million and $10 million, with corresponding swap agreements to convert the variable interest rates into fixed rates of 2.00% and 2.49%, respectively. Proceeds associated with the $10 million delayed draw note were not received during the current quarter; therefore, the swap associated with that note currently has no financial impact. Midstream has two swap agreements corresponding to the $14 million and $10 million variable rate term notes. The swap agreements convert these two notes into fixed rate instruments with effective interest rates of 3.24% and 3.14%, respectively.  In addition, on November 1, 2021, Midstream entered into a promissory note in the amount of $8 million, with a corresponding swap agreement to convert the variable interest rate into a fixed rate of 2.443%.  The swaps qualify as cash flow hedges with changes in fair value reported in other comprehensive income. No portion of the swaps were deemed ineffective during the periods presented. The Company had no outstanding derivative instruments for the purchase of natural gas. The fair value of the current and non-current portions of the interest rate swaps are reflected in the condensed consolidated balance sheets under the caption interest rate swaps. The table in Note 8 reflects the effect on income and other comprehensive income of the Company's cash flow hedges.

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- Definition

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-URI http://asc.fasb.org/topic&trid=2229140

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=123477628&loc=d3e90205-114008

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- References

No definition available.

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