Cover Page - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Aug. 09, 2019	Dec. 31, 2018
Cover page.
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jun. 30, 2019
Document Transition Report	false
Entity File Number	001-35647
Entity Registrant Name	LIFEVANTAGE CORP
Entity Central Index Key	0000849146
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	90-0224471
Entity Address, Address Line One	9785 S Monroe Street
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	Sandy
Entity Address, State or Province	UT
Entity Address, Postal Zip Code	84070
City Area Code	801
Local Phone Number	432-9000
Title of 12(b) Security	Common Stock, par value $0.0001
Trading Symbol	LFVN
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 188.2
Entity Common Stock, Shares Outstanding		14,116,377
Documents Incorporated by Reference [Text Block]	Portions of the registrant’s definitive proxy statement to be filed subsequent to the date hereof with the Securities and Exchange Commission pursuant to Regulation 14A in connection with the registrant’s fiscal year 2020 annual meeting of shareholders are incorporated by reference into Part III of this report. Such definitive proxy statement will be filed with the Commission not later than 120 days after the end of the registrant’s fiscal year ended June 30, 2019.