Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Sep. 30, 2025 |
|
| Cost | $ 40,260 | $ 40,260 |
| Impairment charges | (5,209) | (5,209) |
| Accumulated amortization | (34,511) | (34,431) |
| Net book value | 540 | 620 |
| Customer Relationship [Member] | ||
| Cost | 27,521 | 27,521 |
| Impairment charges | (5,153) | (5,153) |
| Accumulated amortization | (21,892) | (21,833) |
| Net book value | 476 | 535 |
| Trade Names [Member] | ||
| Cost | 8,397 | 8,397 |
| Impairment charges | (56) | (56) |
| Accumulated amortization | (8,281) | (8,262) |
| Net book value | 60 | 79 |
| Non-competes [Member] | ||
| Cost | 4,342 | 4,342 |
| Impairment charges | 0 | 0 |
| Accumulated amortization | (4,338) | (4,336) |
| Net book value | $ 4 | $ 6 |
| X | ||||||||||
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|