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Revenue Recognition - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Total	$ 5,539	$ 6,545
Oil [Member]
Total	4,609	930
Natural Gas and Liquids [Member]
Total	5,054	1,491
North Dakota [Member] | Oil [Member]
Total	2,925
North Dakota [Member]
Total	3,245	4,403
North Dakota [Member] | Oil [Member]
Total		4,032
North Dakota [Member] | Natural Gas and Liquids [Member]
Total	320	371
Texas [Member]
Total	1,962	1,469
Texas [Member] | Oil [Member]
Total	1,684	1,021
Texas [Member] | Natural Gas and Liquids [Member]
Total	278	448
Louisiana [Member]
Total	332	673
Louisiana [Member] | Oil [Member]
Total
Louisiana [Member] | Natural Gas and Liquids [Member]
Total	$ 332	$ 673

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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