Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF OPERATIONS

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CONSOLIDATED STATEMENT OF OPERATIONS - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Statement [Abstract]      
Revenues $ 427,004,000 $ 712,183,000 $ 968,684,000
Expenses:      
Operating expenses 362,521,000 526,290,000 669,381,000
Depreciation and amortization 139,795,000 156,194,000 145,121,000
Total expenses 502,316,000 682,484,000 814,502,000
Total operating gross margin (loss) (75,312,000) 29,699,000 154,182,000
General and administration expense (34,332,000) (36,190,000) (35,016,000)
Provision for reduction in carrying value of certain assets 0 (12,490,000) 0
Gain (loss) on disposition of assets, net (1,613,000) 1,643,000 1,054,000
Total operating income (loss) (111,257,000) (17,338,000) 120,220,000
Other income (expense):      
Interest expense (45,812,000) (45,155,000) (44,265,000)
Interest income 58,000 269,000 195,000
Loss on extinguishment of debt 0 0 (30,152,000)
Other 367,000 (9,747,000) 2,539,000
Total other income (expense) (45,387,000) (54,633,000) (71,683,000)
Income (loss) before income taxes (156,644,000) (71,971,000) 48,537,000
Current tax expense (benefit) 5,108,000 19,604,000 22,567,000
Deferred tax expense (benefit) 69,062,000 2,709,000 1,509,000
Total income tax expense (benefit) 74,170,000 22,313,000 24,076,000
Net income (loss) (230,814,000) (94,284,000) 24,461,000
Less: Net income attributable to noncontrolling interest 0 789,000 1,010,000
Net income (loss) attributable to controlling interest $ (230,814,000) $ (95,073,000) $ 23,451,000
Basic earnings (loss) per share: $ (1.86) $ (0.78) $ 0.19
Diluted earnings (loss) per share: $ (1.86) $ (0.78) $ 0.19
Number of common shares used in computing earnings per share:      
Basic 124,130,004 122,562,187 121,186,464
Diluted 124,130,004 122,562,187 123,076,648