Oil and Gas Reserve Data (Unaudited) - Schedule of Changes in Proved Reserves (Details)	12 Months Ended
	Mar. 31, 2018 MBbls bbl Mcf	Mar. 31, 2017 bbl Mcf
Revision of previous estimates | MBbls	(998,890)
Oil [Member]
Proved Developed and Undeveloped Reserves Beginning Period | bbl	2,142,000	1,084,000
Revision of previous estimates | bbl	(850,000)	205,000
Purchase of minerals in place | bbl
Extensions and discoveries | bbl	110,000	962,000
Sales of minerals in place | bbl	(152,000)	(92,000)
Production | bbl	(35,000)	(35,000)
Developed and Undeveloped Reserves Ending period | bbl	1,197,000	2,142,000
Natural Gas [Member]
Proved Developed and Undeveloped Reserves Beginning Period | Mcf	6,681,000	5,801,000
Revision of previous estimates | Mcf	(915,000)	946,000
Purchase of minerals in place | Mcf
Extensions and discoveries | Mcf	191,000	1,380,000
Sales of minerals in place | Mcf	(151,000)	(1,090,000)
Production | Mcf	(319,000)	(356,000)
Developed and Undeveloped Reserves Ending period | Mcf	5,487,000	6,681,000