Cover - shares	9 Months Ended
	Dec. 31, 2022	Feb. 10, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--03-31
Entity File Number	1-31785
Entity Registrant Name	MEXCO ENERGY CORPORATION
Entity Central Index Key	0000066418
Entity Tax Identification Number	84-0627918
Entity Incorporation, State or Country Code	CO
Entity Address, Address Line One	415 West Wall Street
Entity Address, Address Line Two	Suite 475
Entity Address, City or Town	Midland
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	79701
City Area Code	(432)
Local Phone Number	682-1119
Title of 12(b) Security	Common Stock, par value $0.50 per share
Trading Symbol	MXC
Security Exchange Name	NYSEAMER
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		2,142,000