Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Sep. 30, 2024
Current assets:
Cash and cash equivalents	$ 54,116	$ 15,621
Restricted cash	3,043	3,009
Receivables, net ($10,428 and $1,883 from related party)	14,674	5,263
Expendable parts and supplies, net	13,649	28,272
Assets held for sale	75,812	5,741
Prepaid expenses and other current assets	2,283	3,371
Total current assets	163,577	61,277
Property and equipment, net	36,846	426,351
Lease and equipment deposits	583	1,289
Operating lease right-of-use assets	7,050	7,231
Deferred heavy maintenance, net		6,396
Assets held for sale		86,605
Other assets	6,896	7,709
Total assets	214,952	596,858
Current liabilities:
Current portion of long-term debt and finance leases ($7,512 and $6,604 from related	98,603	50,455
Current portion of deferred revenue	5,381	3,932
Current maturities of operating leases	1,535	1,681
Accounts payable	55,972	72,096
Accrued compensation	11,498	12,797
Customer deposits	849	1,189
Other accrued expenses	28,199	32,308
Total current liabilities	202,037	174,458
Noncurrent liabilities:
Long-term debt and finance leases, excluding current portion ($31,652 and $30,914 from related party)	31,652	259,816
Noncurrent operating lease liabilities	6,890	6,863
Deferred credits from related party		3,020
Deferred income taxes	596	8,173
Deferred revenue, net of current portion	9,209	5,707
Other noncurrent liabilities	26,973	28,579
Total noncurrent liabilities	75,320	312,158
Total liabilities	277,357	486,616
Commitments and contingencies (Note 14)
Stockholders' equity:
Common stock of no par value and additional paid-in capital, 125,000,000 shares authorized; 41,334,433 (2025) and 41,331,719 (2024) shares issued and outstanding, 4,899,497 (2025) and 4,899,497 (2024) warrants issued and outstanding	272,918	272,376
Accumulated deficit	(335,323)	(162,134)
Total stockholders' equity	(62,405)	110,242
Total liabilities and stockholders' equity	$ 214,952	$ 596,858