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CONDENSED STATEMENTS OF CASH FLOWS - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Cash Flows From Operating Activities |  |
Net income (loss) | $ (20,789,318) | $ (93,157,551)
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Depreciation, depletion and amortization | 26,693,808 | 31,848,093
Ceiling test impairment | 0 | 147,937,943
Accretion expense | 560,662 | 694,113
Amortization of deferred financing costs | 496,533 | 567,248
Share-based compensation | 1,484,730 | 2,557,156
Deferred income tax expense (benefit) | 141,943 | (25,573,920)
Excess tax expense (benefit) related to share-based compensation | 0 | (1,579,361)
Change in fair value of derivative contracts | 73,586,199 | (32,900,767)
Cash received (paid) for derivative settlements, net | (33,278,132) | 18,814,068
Changes in assets and liabilities: |  |
Accounts receivable | (5,017,078) | 9,867,026
Prepaid expenses and retainers | (902,692) | 3,483,645
Accounts payable | 8,329,563 | (17,225,782)
Settlement of asset retirement obligation | (1,782,779) | (428,605)
Net Cash Provided by (Used In) Operating Activities | 49,523,439 | 44,903,306
Cash Flows From Investing Activities |  |
Payments to purchase oil and natural gas properties | (579,156) | (1,189,433)
Payments to develop oil and natural gas properties | (34,680,935) | (33,586,337)
Payments to acquire or improve fixed assets | (609,633) | 0
Proceeds from divestiture of oil and natural gas properties | 2,000,000 | 4,500,000
Net Cash Provided by (Used in) Investing Activities | (33,869,724) | (30,275,770)
Cash Flows From Financing Activities |  |
Proceeds from revolving line of credit | 34,400,000 | 21,500,000
Payments on revolving line of credit | (52,400,000) | (28,000,000)
Proceeds from issuance of common stock and warrants | 241,269 | 0
Proceeds from notes payable | 1,233,138 | 0
Payments on notes payable | (375,987) | 0
Payment of deferred financing costs | (76,887) | 0
Reduction of financing lease liabilities | (206,936) | (211,341)
Net Cash Provided by (Used in) Financing Activities | (17,185,403) | (6,711,341)
Net Change in Cash | (1,531,688) | 7,916,195
Cash at Beginning of Period | 3,578,634 | 10,004,622
Cash at End of Period | 2,046,946 | 17,920,817
Supplemental Cash Flow Information |  |
Cash paid for interest | 10,622,077 | 12,387,670
Noncash Investing and Financing Activities |  |
Asset retirement obligation incurred during development | 160,285 | 66,387
Asset retirement obligation acquired | 662,704 | 0
Asset retirement obligation revisions | 153,475 | 0
Asset retirement obligation sold | (2,934,126) | 0
Capitalized expenditures attributable to drilling projects financed through current liabilities | 5,921,816 | 2,600,000
Operating lease assets obtained in exchange for new operating lease liability | 839,536 | 0
Operating lease asset revision | $ (621,636) | $ 0

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