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Note 8 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | ---
Intangible assets, gross carrying amount | $ 14,604 | $ 14,469
Accumulated amortization | (4,600) | (3,964)
Intangible assets, net | 10,004 | 10,505
Developed Technology Rights [Member] |  |
Intangible assets, gross carrying amount | 11,937 | 11,886
Customer Relationships [Member] |  |
Intangible assets, gross carrying amount | 1,762 | 1,715
Trade Names [Member] |  |
Intangible assets, gross carrying amount | 608 | 590
Noncompete Agreements [Member] |  |
Intangible assets, gross carrying amount | 225 | 206
Patents [Member] |  |
Intangible assets, gross carrying amount | $ 72 | $ 72

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