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v3.25.2

Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Total revenue | $ 24,843 | $ 25,858 | $ 80,089 | $ 100,160
Product [Member] |  |  |  |
Total revenue | 23,227 | 20,223 | 74,580 | 83,434
Operating Segments [Member] | Smart Water [Member] |  |  |  |
Total revenue | 10,518 | 9,913 | 27,278 | 20,558
Operating Segments [Member] | Smart Water [Member] | Product [Member] |  |  |  |
Total revenue | 10,518 | 9,913 | 27,278 | 20,558
Operating Segments [Member] | Energy Solutions [Member] |  |  |  |
Total revenue | 8,107 | 9,382 | 34,977 | 60,328
Operating Segments [Member] | Energy Solutions [Member] | Product [Member] |  |  |  |
Total revenue | 6,612 | 3,862 | 29,837 | 43,948
Operating Segments [Member] | Intelligent Industrial [Member] |  |  |  |
Total revenue | 6,136 | 6,489 | 17,596 | 19,051
Operating Segments [Member] | Intelligent Industrial [Member] | Product [Member] |  |  |  |
Total revenue | $ 6,097 | $ 6,448 | $ 17,465 | $ 18,928

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