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Note 6 - Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Intangibles assets, net | $ 108,136 | $ 125,042
Patents [Member] |  |
Intangibles assets, cost | 1,220 | 1,227
Intangibles assets, accumulated amortization | 1,220 | 1,227
Intangibles assets, net | 0 | 0
Developed Technology Rights [Member] |  |
Intangibles assets, cost | 111,681 | 109,949
Intangibles assets, accumulated amortization | 61,411 | 55,191
Intangibles assets, net | 50,270 | 54,758
Trademarks and Trade Names [Member] |  |
Intangibles assets, cost | 734 | 726
Intangibles assets, accumulated amortization | 271 | 195
Intangibles assets, net | 463 | 531
Noncompete Agreements [Member] |  |
Intangibles assets, cost | 249,203 | 248,036
Intangibles assets, accumulated amortization | 191,800 | 178,283
Intangibles assets, net | 57,403 | 69,753
Other Intangible Assets [Member] |  |
Intangibles assets, cost | 362,838 | 359,938
Intangibles assets, accumulated amortization | 254,702 | 234,896
Intangibles assets, net | $ 108,136 | $ 125,042

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