| Cover | Feb. 09, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 9, 2021 |
| Entity File Number | 001-34839 |
| Entity Registrant Name | ELECTROMED, INC. |
| Entity Central Index Key | 0001488917 |
| Entity Tax Identification Number | 41-1732920 |
| Entity Incorporation, State or Country Code | MN |
| Entity Address, Address Line One | 500 Sixth Avenue NW |
| Entity Address, City or Town | New Prague |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 56071 |
| City Area Code | 952 |
| Local Phone Number | 758-9299 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value |
| Trading Symbol | ELMD |
| Security Exchange Name | NYSEAMER |
| Entity Emerging Growth Company | false |
