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Cover - shares
 9 Months Ended
Mar. 31, 2021
May 07, 2021
Cover [Abstract]    
Entity Registrant Name Electromed, Inc.  
Entity Central Index Key 0001488917  
Document Type 10-Q  
Document Period End Date Mar. 31, 2021  
Amendment Flag false  
Entity File Number 001-34839  
Entity Incorporation, State Code MN  
Entity Reporting Status Current Yes  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --06-30  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Entity Smaller Reporting Company true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   8,637,420
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2021