SEGMENT AND GEOGRAPHIC INFORMATION - GEOGRAPHIC AREAS (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Sep. 30, 2025 |
|
| Geographic information | |||||
| Long-lived assets | $ 15,126 | $ 15,126 | $ 15,582 | ||
| Revenue (before interest income) | 2,497 | $ 3,565 | 5,228 | $ 7,473 | |
| United States | |||||
| Geographic information | |||||
| Long-lived assets | 6,198 | 6,198 | 5,965 | ||
| Revenue (before interest income) | 0 | 376 | 70 | 731 | |
| Canada | |||||
| Geographic information | |||||
| Long-lived assets | 8,928 | 8,928 | $ 9,617 | ||
| Revenue (before interest income) | $ 2,497 | $ 3,189 | $ 5,158 | $ 6,742 | |