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Note 1 - Summary of Significant Accounting Policies - Summary of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Balance	$ 6,627	$ 6,528
Currency translation effect on foreign goodwill balances	104	99
Nestor Cables goodwill impairment	(2,022)
Balance	$ 4,709	$ 6,627

X

- Definition

Amount of impairment loss from a discontinued operations or disposal group asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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