Oil and Gas Reserve Data (Unaudited) - Schedule of Changes in Proved Reserves (Details)	12 Months Ended
	Mar. 31, 2019 MBbls bbl Mcf	Mar. 31, 2018 bbl Mcf
Revision of previous estimates | MBbls	(306,406)
Oil [Member]
Proved Developed and Undeveloped Reserves Beginning Period | bbl	1,197,000	2,124,000
Revision of previous estimates | bbl	(293,000)	(850,000)
Purchase of minerals in place | bbl
Extensions and discoveries | bbl	171,000	110,000
Sales of minerals in place | bbl		(152,000)
Production | bbl	(35,000)	(35,000)
Proved Developed and Undeveloped Reserves Ending period | bbl	1,040,000	1,197,000
Natural Gas [Member]
Proved Developed and Undeveloped Reserves Beginning Period | Mcf	5,487,000	6,681,000
Revision of previous estimates | Mcf	(430,000)	(915,000)
Purchase of minerals in place | Mcf
Extensions and discoveries | Mcf	619,000	191,000
Sales of minerals in place | Mcf		(151,000)
Production | Mcf	(295,000)	(319,000)
Proved Developed and Undeveloped Reserves Ending period | Mcf	5,381,000	5,487,000