| Document And Entity Information | Nov. 12, 2021 |
| Document Information [Line Items] | |
| Entity, Registrant Name | ENTERPRISE DIVERSIFIED, INC. |
| Document, Type | 8-K |
| Document, Period End Date | Nov. 12, 2021 |
| Entity, Incorporation, State or Country Code | NV |
| Entity, File Number | 000-27763 |
| Entity, Tax Identification Number | 88-0397234 |
| Entity, Address, Address Line One | 1806 Summit Avenue, Suite 300 |
| Entity, Address, City or Town | Richmond |
| Entity, Address, State or Province | VA |
| Entity, Address, Postal Zip Code | 23230 |
| City Area Code | 434 |
| Local Phone Number | 336-7737 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001096934 |
