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OIL AND GAS PRODUCING ACTIVITIES (Details 2) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Acquisition costs:
Proved properties		$ 42	$ 1,658	$ 552
Unproved properties			632	4,167
Development costs		(4)	61	8,037
Exploration costs		(1,496)	369	14,791
Total	[1]	$ (1,458)	$ 2,720	$ 27,547
[1] Includes amounts related to estimated asset retirement obligations reduction of $(24) and additions $61 for the years ended December 31, 2016 and 2015, respectively. The development costs and exploration costs include a reduction in interest of some wells which in prior years were in dispute.

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- Definition

Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 18
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62014-109447

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Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves.

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Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.

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-Name Accounting Standards Codification
-Glossary Exploration
-URI http://asc.fasb.org/extlink&oid=6512329

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