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Note 9 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Sep. 30, 2020
Intangible assets, gross carrying amount	$ 4,809	$ 1,829
Accumulated amortization	(1,239)	(886)
Intangible assets, net	3,570	943
Developed Technology Rights [Member]
Intangible assets, gross carrying amount	3,297	655
Customer Relationships [Member]
Intangible assets, gross carrying amount	965	627
Trade Names [Member]
Intangible assets, gross carrying amount	228	228
Noncompete Agreements [Member]
Intangible assets, gross carrying amount	247	247
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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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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
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 340
-Section 50
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-Name Accounting Standards Codification
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