Cover
| Cover | Nov. 01, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 1, 2021 |
| Entity File Number | 0-21074 |
| Entity Registrant Name | Clearday, Inc. |
| Entity Central Index Key | 0000895665 |
| Entity Tax Identification Number | 77-0158076 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 8800 Village Drive |
| Entity Address, Address Line Two | Suite 106 |
| Entity Address, City or Town | San Antonio |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 78217 |
| City Area Code | (210) |
| Local Phone Number | 451-0839 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 |
| Trading Symbol | CLRD |
| Entity Emerging Growth Company | false |