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Note 8 - Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Dec. 31, 2021

Notes Tables

Comprehensive Income (Loss) [Table Text Block]

						Tax
		Before-Tax				(Expense)				Net-of-Tax
		Amount				or Benefit				Amount
Three Months Ended December 31, 2021
Interest rate swaps:
Unrealized gains		$	315,983			$	(81,333	)		$	234,650
Transfer of realized losses to interest expense			171,863				(44,239	)			127,624
Net interest rate swaps			487,846				(125,572	)			362,274
Defined benefit plans:
Amortization of actuarial gains			(15,070	)			3,879				(11,191	)
Other comprehensive income		$	472,776			$	(121,693	)		$	351,083
Three Months Ended December 31, 2020
Interest rate swaps:
Unrealized gains		$	89,770			$	(23,107	)		$	66,663
Transfer of realized losses to interest expense			137,438				(35,376	)			102,062
Net interest rate swaps			227,208				(58,483	)			168,725
Defined benefit plans:
Amortization of actuarial losses			20,017				(5,153	)			14,864
Other comprehensive income		$	247,225			$	(63,636	)		$	183,589

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

										Accumulated
										Other
		Interest Rate				Defined Benefit				Comprehensive
		Swaps				Plans				Income (Loss)
Balance at September 30, 2021		$	(888,210	)		$	(647,224	)		$	(1,535,434	)
Other comprehensive income (loss)			362,274				(11,191	)			351,083
Balance at December 31, 2021		$	(525,936	)		$	(658,415	)		$	(1,184,351	)

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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