| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net (loss) income | ||||||
-103,019 | 19,348 | -43,485 | -98,700 | -27,333 | 36,465 | |
Adjustments to reconcile net (loss) income to net cash provided by operating activities | ||||||
Loss on disposal of oil and gas properties | ||||||
- | - | - | -35 | -629 | 466 | |
Accretion of asset retirement obligations | ||||||
- | - | - | 180 | 214 | 201 | |
Depreciation, depletion and amortization | ||||||
88,618 | 83,582 | 56,957 | 51,995 | 58,828 | 40,521 | |
Stock-based compensation | ||||||
1,822 | 1,707 | 1,629 | 448 | 2,585 | 1,938 | |
Stock-based payments | ||||||
0 | 601 | 0 | - | - | - | |
Deferred taxes | ||||||
-11,440 | 7,601 | -29,191 | 19,588 | -15,497 | - | |
Loss (gain) on derivative financial instruments | ||||||
-30,861 | 22,744 | -14,080 | - | - | - | |
Gain on disposal of bonds | ||||||
- | - | - | 28,480 | - | - | |
Losses on derivative financial instruments | ||||||
- | - | - | -8,672 | - | - | |
Deferred taxes | ||||||
- | - | - | - | - | 22,662 | |
(Gain) losses on derivative financial instruments | ||||||
- | - | - | - | 27,609 | 43,972 | |
Settlements of derivative financial instruments | ||||||
-3,550 | -22,623 | 5,207 | 29,790 | 35,284 | -1,503 | |
Impairment of oil and natural gas properties | ||||||
48,412 | 12,169 | 33,413 | 35,570 | 28,623 | 5,478 | |
Loss on sale or abandonment of property and equipment | ||||||
34,560 | 170 | 0 | - | - | - | |
Non-cash interest expense | ||||||
2,652 | 5,194 | 4,571 | 7,581 | 1,100 | 825 | |
Unrealized gain on warrants | ||||||
-691 | -416 | -3,088 | -568 | - | - | |
Changes in operating assets and liabilities | ||||||
Accounts receivable | ||||||
4,481 | 5,391 | 6,851 | -234 | -10,857 | 9,408 | |
Prepaid expenses and other assets | ||||||
623 | 3,296 | -833 | 1,856 | -223 | 1,856 | |
Accounts payable and accrued expenses | ||||||
-2,799 | 13,372 | 9,371 | -220 | -17,065 | 31,341 | |
Net cash provided by operating activities | ||||||
80,322 | 88,072 | 43,446 | 24,269 | - | - | |
Net cash provided by operating activities | ||||||
- | - | - | - | 50,839 | 82,227 | |
Cash flows from investing activities | ||||||
Acquisition of oil and gas properties | ||||||
5,642 | 45,539 | 113,726 | 4,340 | 8,723 | 70,978 | |
Development of oil and gas properties | ||||||
148,438 | 171,413 | 81,875 | 39,382 | 85,458 | 164,180 | |
Proceeds from Sale of Oil and Gas Property and Equipment | ||||||
11,470 | 0 | - | 16,174 | - | 3,200 | |
Purchases of other property and equipment | ||||||
3,682 | 2,518 | 13,142 | 233 | 337 | 1,086 | |
Net cash used in investing activities | ||||||
-146,292 | -219,470 | -208,743 | -27,781 | - | - | |
Net cash used in investing activities | ||||||
- | - | - | - | -94,518 | -233,044 | |
Cash flows from financing activities | ||||||
Proceeds from borrowings | ||||||
- | - | - | - | - | 135,000 | |
Payments on borrowings | ||||||
- | - | - | - | - | 195,000 | |
Proceeds from borrowings | ||||||
139,000 | 423,745 | 123,968 | 72,063 | 140,514 | 214,500 | |
Payments on borrowings | ||||||
75,248 | 289,520 | 34,017 | 134,697 | 102,514 | - | |
Proceeds from sale of common stock, net of offering costs | ||||||
- | - | - | 72,807 | - | - | |
Proceeds from sale of preferred stock | ||||||
- | - | 77,800 | - | - | - | |
Repurchase and retirement of Class B Common Stock | ||||||
0 | 10 | 0 | - | - | - | |
Cost to issue equity | ||||||
- | - | 3,296 | - | - | - | |
Payments of debt issuance costs and other | ||||||
- | - | 2,688 | 4,912 | - | - | |
Net cash provided by financing activities | ||||||
63,752 | 134,215 | 161,767 | 5,258 | - | - | |
Increase in cash and cash equivalents | ||||||
-2,218 | 2,817 | - | - | - | - | |
Changes in other notes payable | ||||||
- | - | - | -3 | - | - | |
Payments on other notes payable | ||||||
- | - | - | - | 3 | 30 | |
Net cash provided by financing activities | ||||||
- | - | - | - | 37,997 | 154,470 | |
Net increase in cash and cash equivalents | ||||||
- | - | - | - | 12 | -404 | |
Increase (decrease) in cash and cash equivalents | ||||||
- | - | -3,530 | 1,746 | -5,670 | 3,248 | |
Supplemental information: | ||||||
Cash paid for taxes | ||||||
38 | 1,242 | 2,474 | 1,820 | - | 90 | |
Cash paid for interest | ||||||
41,217 | 24,395 | 20,389 | 23,691 | - | - | |
Cash paid for interest | ||||||
- | - | - | - | - | 13,400 | |
Non-cash investing and financing activities: | ||||||
Cost to issue equity included in accounts payable | ||||||
- | - | - | 1,000 | - | - | |
Asset retirement obligation | ||||||
-440 | 1,331 | 2,827 | -24 | - | - | |
Increase (decrease) in liabilities for capital expenditures | ||||||
17,993 | -4,603 | 8,379 | 2,666 | - | - | |
Preferred stock issued for business acquisitions | ||||||
- | - | 10,795 | - | - | - | |