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Note 8 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Technology	$ 14,469	$ 14,861
Amortization expense	2,154	1,191
Accumulated amortization	(3,964)	(2,057)
Finite-Lived Intangible Assets, Net, Ending Balance	10,505	12,804
Developed Technology Rights [Member]
Technology	11,886	12,065
Customer Relationships [Member]
Technology	1,715	1,855
Trade Names [Member]
Technology	590	625
Noncompete Agreements [Member]
Technology	206	244
Patents [Member]
Technology	$ 72	$ 72

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

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Amount before amortization of 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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