Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Current assets:
Cash and cash equivalents	$ 32,940	$ 57,683
Restricted cash	3,132	3,342
Receivables, net ($4,016 and $85 from related party)	8,253	3,978
Expendable parts and supplies, net	29,245	26,715
Assets held for sale	57,722
Prepaid expenses and other current assets	7,294	6,616
Total current assets	138,586	98,334
Property and equipment, net	698,022	865,254
Intangible assets, net		3,842
Lease and equipment deposits	1,630	6,085
Operating lease right-of-use assets	9,709	43,090
Deferred heavy maintenance, net	7,974	9,707
Assets held for sale	12,000	73,000
Other assets	30,546	16,290
Total assets	898,467	1,115,602
Current liabilities:
Current portion of long-term debt and finance leases ($20,500 and $0 from related party)	163,550	97,218
Current portion of deferred revenue	4,880	385
Current maturities of operating leases	3,510	17,233
Accounts payable	58,957	59,386
Accrued compensation	10,008	11,255
Other accrued expenses	27,001	29,000
Total current liabilities	267,906	214,477
Noncurrent liabilities:
Long-term debt and finance leases, excluding current portion ($30,630 and $0 from related party)	364,728	502,517
Noncurrent operating lease liabilities	8,077	16,732
Deferred credits ($4,617 and $2,193 from related party)	4,617	3,082
Deferred income taxes	8,414	17,719
Deferred revenue, net of current portion	16,167	23,682
Other noncurrent liabilities	28,522	29,219
Total noncurrent liabilities	430,525	592,951
Total liabilities	698,431	807,428
Commitments and contingencies (Note 17)
Stockholders' equity:
Common stock of no par value and additional paid-in capital, 125,000,000 shares authorized; 40,940,326 (2023) and 36,376,897 (2022) shares issued and outstanding, 4,899,497 (2023) and 4,899,497 (2022) warrants issued and outstanding	271,155	259,177
(Accumulated deficit)/Retained Earnings	(71,119)	48,997
Total stockholders' equity	200,036	308,174
Total liabilities and stockholders' equity	$ 898,467	$ 1,115,602