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Note 8 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Sep. 30, 2021
--- | --- | ---
Intangible assets, gross carrying amount | $ 14,838 | $ 14,861
Accumulated amortization | (3,103) | (2,057)
Intangible assets, net | 11,735 | 12,804
Developed Technology Rights [Member] |  |
Intangible assets, gross carrying amount | 12,081 | 12,065
Customer Relationships [Member] |  |
Intangible assets, gross carrying amount | 1,835 | 1,855
Trade Names [Member] |  |
Intangible assets, gross carrying amount | 616 | 625
Noncompete Agreements [Member] |  |
Intangible assets, gross carrying amount | 234 | 244
Patents [Member] |  |
Intangible assets, gross carrying amount | $ 72 | $ 72

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