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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Note 3 - Fair Value of Financial Instruments - Fair Value by Hierarchy (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Sep. 30, 2025	Aug. 31, 2025	Aug. 01, 2025	Sep. 30, 2024
Current portion	$ (1,788)	$ 0
Non-current portion	(962)	(2,540)
Geovox [Member]
Current portion	(1,788)
Non-current portion	(962)
Business Combination, Contingent Consideration, Liability	(2,750)	(2,540)	$ (2,500)	$ (2,500)	$ 0
Fair Value, Recurring [Member]
Non-current portion		(2,540)
Fair Value, Recurring [Member] \| Geovox [Member]
Current portion	(1,788)
Non-current portion	(962)
Business Combination, Contingent Consideration, Liability	(2,750)
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member]
Non-current portion		0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Geovox [Member]
Current portion	0
Non-current portion	0
Business Combination, Contingent Consideration, Liability	0
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Non-current portion		0
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Geovox [Member]
Current portion	0
Non-current portion	0
Business Combination, Contingent Consideration, Liability	0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member]
Non-current portion		$ (2,540)
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Geovox [Member]
Current portion	(1,788)
Non-current portion	(962)
Business Combination, Contingent Consideration, Liability	$ (2,750)