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Note 10 - Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Mar. 31, 2022

Notes Tables

Comprehensive Income (Loss) [Table Text Block]

						Tax
		Before-Tax				(Expense)				Net-of-Tax
		Amount				or Benefit				Amount
Three Months Ended March 31, 2022
Interest rate swaps:
Unrealized gains		$	1,903,875			$	(490,057	)		$	1,413,818
Transfer of realized losses to interest expense			163,860				(42,179	)			121,681
Net interest rate swaps			2,067,735				(532,236	)			1,535,499
Defined benefit plans:
Amortization of actuarial gains			(15,070	)			3,879				(11,191	)
Other comprehensive income		$	2,052,665			$	(528,357	)		$	1,524,308
Three Months Ended March 31, 2021
Interest rate swaps:
Unrealized gains		$	529,356			$	(136,257	)		$	393,099
Transfer of realized losses to interest expense			136,270				(35,075	)			101,195
Net interest rate swaps			665,626				(171,332	)			494,294
Defined benefit plans:
Amortization of actuarial losses			20,017				(5,153	)			14,864
Other comprehensive income		$	685,643			$	(176,485	)		$	509,158

						Tax
		Before-Tax				(Expense)				Net-of-Tax
		Amount				or Benefit				Amount
Six Months Ended March 31, 2022
Interest rate swaps:
Unrealized gains		$	2,219,858			$	(571,390	)		$	1,648,468
Transfer of realized losses to interest expense			335,723				(86,418	)			249,305
Net interest rate swaps			2,555,581				(657,808	)			1,897,773
Defined benefit plans:
Amortization of actuarial gains			(30,140	)			7,758				(22,382	)
Other comprehensive income		$	2,525,441			$	(650,050	)		$	1,875,391
Six Months Ended March 31, 2021
Interest rate swaps:
Unrealized gains		$	619,126			$	(159,364	)		$	459,762
Transfer of realized losses to interest expense			273,708				(70,451	)			203,257
Net interest rate swaps			892,834				(229,815	)			663,019
Defined benefit plans:
Amortization of actuarial losses			40,034				(10,306	)			29,728
Other comprehensive income		$	932,868			$	(240,121	)		$	692,747

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)			1,897,773				(22,382	)			1,875,391
Balance at March 31, 2022		$	1,009,563			$	(669,606	)		$	339,957

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 https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900

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- Definition

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
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e526-108580

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