| Cover | May 03, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 03, 2024 |
| Entity File Number | 001-33672 |
| Entity Registrant Name | PALISADE BIO, INC |
| Entity Central Index Key | 0001357459 |
| Entity Tax Identification Number | 52-2007292 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 7750 El Camino Real |
| Entity Address, Address Line Two | Suite 5200 |
| Entity Address, City or Town | Carlsbad |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92009 |
| City Area Code | (858) |
| Local Phone Number | 704-4900 |
| 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 $0.01 per share |
| Trading Symbol | PALI |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
