Property Sales	12 Months Ended
Mar. 31, 2019
Property, Plant and Equipment [Abstract]
Property Sales	4. Property Sales During fiscal 2019, the Company continued its policy of selling non-core assets in order to concentrate on the development of more profitable assets and to pay down debt. The Company received approximately $33,000 in cash from a sale of joint venture leasehold acreage and marginal producing working interest wells in North Dakota and Montana; approximately $72,000 in cash from a sale of joint venture leasehold marginal producing working interests in Ward and Winkler Counties in Texas; and, approximately $51,000 in cash from the sale of additional leasehold acreage in Eddy County, New Mexico. Other immaterial dispositions and purchase price adjustments amounted to approximately $6,000. During fiscal 2018, the Company sold non-core assets for a total of approximately $3.2 million.

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Name:	us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration