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Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2020
Sep. 30, 2019
Current assets:    
Cash and cash equivalents $ 99,395 $ 68,855
Restricted cash 3,446 3,646
Receivables, net 13,712 23,080
Expendable parts and supplies, net 22,971 21,337
Prepaid expenses and other current assets 16,067 40,923
Total current assets 155,591 157,841
Property and equipment, net 1,212,415 1,273,585
Intangibles, net 8,032 9,532
Lease and equipment deposits 1,899 2,167
Operating lease right-of-use assets 123,251  
Other assets 742 8,792
Total assets 1,501,930 1,451,917
Current liabilities:    
Current portion of long-term debt and financing leases 189,268 165,900
Current maturities of operating leases 43,932  
Accounts payable ($1,729 (2019) to related party) 53,229 49,930
Accrued compensation 12,030 11,988
Other accrued expenses 54,867 28,888
Total current liabilities 353,326 256,706
Long-term debt and financing leases, excluding current portion 542,456 677,423
Noncurrent operating lease liabilities 62,531  
Deferred credits ($5,751 (2019) to related party) 5,705 12,134
Deferred income taxes 64,275 55,303
Deferred revenue, net of current portion 14,369  
Other noncurrent liabilities 1,409 24,483
Total noncurrent liabilities 690,745 769,343
Total liabilities 1,044,071 1,026,049
Commitments and contingencies (Note 15 and Note 16)
Stockholders' equity:    
Preferred stock of no par value, 5,000,000 shares authorized; no shares issued and outstanding
Common stock of no par value and additional paid-in capital, 125,000,000 shares authorized; 35,526,918 (2020) and 31,413,287 (2019) shares issued and outstanding, and 0 (2020) and 3,600,953 (2019) warrants issued and outstanding 242,772 238,504
Retained earnings 215,087 187,364
Total stockholders' equity 457,859 425,868
Total liabilities and stockholders' equity $ 1,501,930 $ 1,451,917