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Note 8 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Intangible assets, gross carrying amount	$ 14,665	$ 14,469
Accumulated amortization	(5,182)	(3,964)
Finite-Lived Intangible Assets, Net	9,483	10,505
Developed Technology Rights [Member]
Intangible assets, gross carrying amount	11,947	11,886
Customer Relationships [Member]
Intangible assets, gross carrying amount	1,806	1,715
Trade Names [Member]
Intangible assets, gross carrying amount	611	590
Noncompete Agreements [Member]
Intangible assets, gross carrying amount		206
Patents [Member]
Intangible assets, gross carrying amount	$ 72	$ 72

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
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-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 928
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 926
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
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