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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2020
Sep. 30, 2019
Current assets:    
Cash and cash equivalents $ 64,934 $ 68,855
Restricted cash 3,444 3,646
Receivables, net 14,618 23,080
Expendable parts and supplies, net 22,418 21,337
Prepaid expenses and other current assets 7,143 40,923
Total current assets 112,557 157,841
Property and equipment, net 1,233,727 1,273,585
Intangibles, net 8,407 9,532
Lease and equipment deposits 2,121 2,167
Operating lease right-of-use assets 131,480  
Other assets 7,021 8,792
Total assets 1,495,313 1,451,917
Current liabilities:    
Current portion of long-term debt and financing leases 176,896 165,900
Current maturities of operating leases 43,219  
Accounts payable 39,918 49,930
Accrued compensation 10,350 11,988
Other accrued expenses 37,663 28,888
Total current liabilities 308,046 256,706
Noncurrent liabilities:    
Long-term debt and financing leases, excluding current portion 586,877 677,423
Noncurrent operating lease liabilities 71,068  
Deferred credits 9,355 12,134
Deferred income taxes 61,203 55,303
Deferred revenue, net of current portion 12,240  
Other noncurrent liabilities 1,030 24,483
Total noncurrent liabilities 741,773 769,343
Total liabilities 1,049,819 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; 35,414,284 (2020) and 31,413,287 (2019) shares issued and outstanding, 0 (2020) and 3,600,953 (2019) warrants issued and outstanding 241,782 238,504
Retained earnings 203,712 187,364
Total stockholders' equity 445,494 425,868
Total liabilities and stockholders' equity $ 1,495,313 $ 1,451,917