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Note 9 - Goodwill and Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023
Balance			$ 10,282
Balance			8,427
Acquisitions			2,923		$ 0
Acquisitions			2,550
Currency translation			46
Amortization	$ (619)	$ (526)	(1,239)	$ (1,058)
Balance	13,251		13,251		10,282
Currency translation			5
Balance	9,743		9,743		8,427
Hardware [Member]
Balance			0
Balance			17
Acquisitions			0
Acquisitions			0
Currency translation			0
Amortization			(1)
Balance	0		0		0
Currency translation			0
Balance	16		16		17
Software [Member]
Balance			10,282
Balance			8,410
Acquisitions			2,923
Acquisitions			2,550
Currency translation			46
Amortization			(1,238)
Balance	13,251		13,251		10,282
Currency translation			5
Balance	$ 9,727		$ 9,727		$ 8,410

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount, after accumulated impairment loss, of 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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