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Consolidated Statements Of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income (loss) | $ (48,181) | $ 2,563 | $ 98,232
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
(Income) loss from discontinued operations | 98 | (5,411) | 496
Depreciation, depletion and amortization | 9,382 | 7,083 | 5,596
Impairment of proved crude oil and natural gas properties | 30,625 |  |
Gain on revision of asset retirement obligations |  | (379) | (3,325)
Other amortization | 181 | 241 | 417
Deferred taxes | 24,159 | 14,480 | (56,907)
Unrealized foreign exchange gain | 91 | (50) | 834
Stock-based compensation | 114 | 3,506 | 2,388
Cash settlements paid on exercised stock appreciation rights | (275) | (491) | (82)
Derivative instruments (gain) loss, net | (6,577) | 446 | (4,264)
Cash settlements received on matured derivative contracts, net | 7,216 | 2,439 | 744
Bad debt expense and other | 1,165 | (341) | (77)
Other operating loss, net | 869 | 58 | (570)
Operational expenses associated with equipment and other | 1,601 | 69 | 1,604
Change in operating assets and liabilities: |  |  |
Trade receivables | 14,335 | (2,428) | (8,351)
Accounts with joint venture owners | 4,016 | (2,075) | 2,747
Other receivables | 1,405 | (94) | (1,330)
Crude oil inventory | (2,834) | (287) | 2,478
Prepayments and other | (1,126) | (1,014) | 1,164
Value added tax and other receivables | (1,268) | 275 | (777)
Accounts payable | (842) | 6,011 | (3,409)
Foreign income taxes receivable/payable | (4,880) | 2,396 | 2,751
Accrued liabilities and other | (1,383) | 4,161 | (2,131)
Net cash provided by continuing operating activities | 27,891 | 31,158 | 38,228
Net cash used in discontinued operating activities | (441) | (4,686) | (1,052)
Net cash provided by operating activities | 27,450 | 26,472 | 37,176
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Property and equipment expenditures | (20,008) | (10,348) | (14,127)
Acquisition of crude oil and natural gas properties | (4,320) |  |
Net cash used in continuing investing activities | (24,328) | (10,348) | (14,127)
Net cash used in investing activities | (24,328) | (10,348) | (14,127)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Proceeds from the issuances of common stock | 63 | 256 | 544
Debt repayments |  |  | (9,166)
Treasury shares | (992) | (3,911) | (58)
Net cash used in continuing financing activities | (929) | (3,655) | (8,680)
Net cash used in discontinued financing activities |  |  |
Net cash used in financing activities | (929) | (3,655) | (8,680)
NET CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH | 2,193 | 12,469 | 14,369
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF YEAR | 59,124 | 46,655 | 32,286
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF YEAR | 61,317 | 59,124 | 46,655
Supplemental disclosure of cash flow information: |  |  |
Interest expense paid in cash |  |  | 257
Income taxes (received) paid in cash | (696) | (674) | 2,720
Income taxes paid in-kind with crude oil | 8,738 | 7,268 | 9,385
Supplemental disclosure of non-cash investing and financing activities: |  |  |
Property and equipment additions incurred but not paid at end of period | 3,966 | 13,646 | 2,138
Crude oil and natural gas property additions paid with non-cash assets |  |  | 4,197
Gross-up of crude oil and natural gas properties by establishment of deferred tax liability |  |  | 18,613
Recognition of right-of-use operating lease assets and liabilities | 1,478 | 44,681 |
Recognition of right-of-use operating lease liabilities | 1,478 | 44,656 |
Asset retirement obligations | $ 359 | 595 | (6,527)
Restricted stock issued out of treasury |  | $ 309 | $ 177

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