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Summary of Significant Accounting Policies (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Sep. 30, 2024
Accounting Policies [Abstract] |  |
Summary of Cash, Cash Equivalents and Restricted Cash |  | Cash, cash equivalents and restricted cash consist of the following:
|  | September 30, 2024 |  |  | September 30, 2023 |
Cash and cash equivalents |  | $ | 15,621 |  |  | $ | 32,940 |
Restricted cash |  |  | 3,009 |  |  |  | 3,132 |
Total cash, cash equivalents and restricted cash |  | $ | 18,630 |  |  | $ | 36,072 |
Summary of Estimated Useful Lives of Various Classifications of Property and Equipment |  | Estimated useful lives of the various classifications of property and equipment are as follows:
Property and Equipment |  | Estimated Useful Life
Buildings |  | 30 years
Aircraft |  | 25 years from the manufacture date
Flight equipment |  | 7-20 years
Equipment |  | 5-9 years
Furniture and fixtures |  | 3-5 years
Vehicles |  | 5 years
Rotable spare parts |  | Life of the aircraft or term of the lease, whichever is less
Leasehold improvements |  | Life of the aircraft or term of the lease, whichever is less
Summary of Deferred Revenue Recognition |  | Deferrals of revenue and recognition of previously deferred revenue during fiscal year 2024 are shown below:
|  | Revenue Deferred/(Recognized) |
Deferred revenue as of September 30, 2023 |  | $ | 21,047 |
Fixed revenue deferrals |  |  | 3,633 |
Pass-through revenue deferrals |  |  | 2,002 |
Previously deferred fixed revenue recognized |  |  | (12,653 | )
Previously deferred pass-through revenue recognized |  |  | (4,390 | )
Deferred revenue as of September 30, 2024 |  | $ | 9,639 |
Schedule of Deffered Revenue Remaining Performance Obligations | The deferred revenue balance as of March 31, 2025 represents our aggregate remaining performance obligations that will be recognized as revenue over the period in which the performance obligations are satisfied, and is expected to be recognized as revenue as follows (in thousands):
Periods Ending September 30, |  | Total Deferred Revenue |
2025 (remainder of) |  | $ | 2,999 |
2026 |  |  | 5,450 |
2027 |  |  | 4,132 |
2028 |  |  | 2,009 |
Total |  | $ | 14,590 |
| The deferred revenue balance as of September 30, 2024 represents our aggregate remaining performance obligations that will be recognized as revenue over the period in which the performance obligations are satisfied, and is expected to be recognized as revenue as follows (in thousands):
Periods Ending September 30, |  | Total Revenue |
2025 |  | $ | 3,932 |
2026 |  |  | 2,259 |
2027 |  |  | 2,224 |
2028 |  |  | 1,192 |
Thereafter |  |  | 32 |
Total |  | $ | 9,639 |

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