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CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Cash Flows from Operating Activities: |  |
Net Income | $ 14,665 | $ 47,434
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation, depletion, amortization and accretion on discounted liabilities | 37,729 | 36,068
Gain on sale of properties | (3,662) | (41,258)
Unrealized (gain) on derivative instruments | (5,330) | (547)
Provision (Benefit) for deferred income taxes | 7,866 | (12,538)
Changes in assets and liabilities: |  |
Accounts receivable | 2,000 | (9,561)
Due to related parties | (60) | 101
Inventories | 11 | (9)
Prepaid expenses and other assets | (1,226) | (344)
Accounts payable | (15,063) | 12,650
Accrued liabilities | 2,136 | 8,111
Net Cash Provided by Operating Activities | 39,066 | 40,107
Cash Flows from Investing Activities: |  |
Capital expenditures, including exploration expense | (47,073) | (59,361)
Proceeds from sale of properties and equipment | 3,233 | 46,231
Net Cash Used in by Investing Activities | (43,840) | (13,130)
Cash Flows from Financing Activities: |  |
Purchase of stock for treasury | (7,956) | (5,650)
Purchase of non-controlling interests | (65) | (308)
Increase in long-term bank debt and other long-term obligations | 55,800 | 64,853
Repayment of long-term bank debt and other long-term obligations | (42,048) | (82,628)
Distribution to non-controlling interest | (3,080) | (4,917)
Net Cash Provided by (used in) provided by Financing Activities | 2,651 | (28,650)
Net Decrease in Cash and Cash Equivalents | (2,123) | (1,673)
Cash and Cash Equivalents at the Beginning of the Year | 8,438 | 10,111
Cash and Cash Equivalents at the End of the Year | 6,315 | 8,438
Supplemental Disclosures: |  |
Income taxes paid during the year | 2,130 | 414
Interest paid during the year | $ 3,535 | $ 2,339

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