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Oil and Gas Producing Activities (Tables) | 12 Months Ended
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Dec. 31, 2017
Oil and Gas Property [Abstract] |
Schedule of Costs Incurred in Purchase of Proved and Unproved Properties, and Exploration and Development Activities | The following table presents the Company’s capitalized costs associated with oil and gas producing activities as of December 31, 2017 and 2016:
|  | 2017 |  |  | 2016 |
Oil and Gas Properties |  |  |  |  |  |  |  |
Unevaluated properties: |  |  |  |  |  |  |  |
Unproved leasehold costs |  | $ | 4,664 |  |  | $ | 4,664 |
Exploratory wells in progress |  |  | - |  |  |  | - |
Evaluated properties in full cost pool |  |  | 86,313 |  |  |  | 87,834 |
Less accumulated depreciation, depletion and amortization |  |  | (83,362 | ) |  |  | (82,640 | )
Net capitalized costs |  | $ | 7,615 |  |  | $ | 9,858 |
Schedule of Operations from Oil and Gas Producing Activities | Presented below are the results of operations from oil and gas producing activities for the years ended December 31, 2017, 2016 and 2015:
|  | 2017 |  |  | 2016 |  |  | 2015 |
Oil and gas sales |  | $ | 6,545 |  |  | $ | 5,746 |  |  | $ | 10,296 |
Production costs |  |  | (3,402 | ) |  |  | (2,728 | ) |  |  | (7,352 | )
Depreciation, depletion and amortization |  |  | (753 | ) |  |  | (2,529 | ) |  |  | (8,412 | )
Impairment of oil and gas properties |  |  | - |  |  |  | (9,568 | ) |  |  | (57,676 | )
Results of operations from oil and gas producing activities |  | $ | 2,390 |  |  | $ | (9,079 | ) |  | $ | (63,144 | )

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