Document and Entity Information - shares	6 Months Ended
	Sep. 30, 2017	Nov. 10, 2017
Document And Entity Information
Entity Registrant Name	MEXCO ENERGY CORP
Entity Central Index Key	0000066418
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		2,037,266
Trading Symbol	MXC
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2018