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.