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Note 14 - Subsequent Event (Details Textual) - Forecast [Member] $ in Millions	3 Months Ended
	Dec. 31, 2025 USD ($)
Minimum [Member]
Pension Expense (Reversal of Expense), Noncash	$ 1.5
Maximum [Member]
Pension Expense (Reversal of Expense), Noncash	$ 2.0

X

- Definition

Amount of noncash expense (reversal of expense) for pension benefits. Excludes other postretirement benefits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_PensionExpenseReversalOfExpenseNoncash
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: