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Revenue Recognition - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Total	$ 1,633	$ 1,222	$ 5,066	$ 4,350
Oil [Member]
Total	1,571	1,120	4,746	3,642
Natural Gas and Liquids [Member]
Total	62	102	320	708
North Dakota [Member]
Total	580	860	1,832	2,624
North Dakota [Member] | Oil [Member]
Total	564	795	1,723	2,384
North Dakota [Member] | Natural Gas and Liquids [Member]
Total	16	65	109	240
Texas [Member]
Total	1,053	364	3,234	1,426
Texas [Member] | Oil [Member]
Total	1,007	325	3,023	1,258
Texas [Member] | Natural Gas and Liquids [Member]
Total	46	39	211	168
Louisiana [Member]
Total		(2)		300
Louisiana [Member] | Oil [Member]
Total
Louisiana [Member] | Natural Gas and Liquids [Member]
Total		$ (2)		$ 300

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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