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Note 15 - Employee Benefit Plans (Tables)

6 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

		Three Months Ended March 31,								Six Months Ended March 31,
		2025				2024				2025				2024
Components of net periodic pension cost:
Service cost		$	96,858			$	81,066			$	193,716			$	162,132
Interest cost			352,602				367,206				705,204				734,412
Expected return on plan assets			(375,976	)			(294,958	)			(751,952	)			(589,916	)
Recognized loss			14,857				79,132				29,714				158,264
Net periodic pension cost		$	88,341			$	232,446			$	176,682			$	464,892

		Three Months Ended March 31,								Six Months Ended March 31,
		2025				2024				2025				2024
Components of postretirement benefit cost:
Service cost		$	1,095			$	7,599			$	2,190			$	15,198
Interest cost			126,856				153,369				253,712				306,738
Expected return on plan assets			(182,430	)			(133,311	)			(364,860	)			(266,622	)
Recognized gain			(58,153	)			(10,149	)			(116,306	)			(20,298	)
Net postretirement benefit cost		$	(112,632	)		$	17,508			$	(225,264	)		$	35,016

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (q)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-5

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-SubTopic 20
-Subparagraph (h)
-Name Accounting Standards Codification
-Paragraph 1
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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X

- References

No definition available.

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