Document And Entity Information |
Jun. 07, 2021 |
|---|---|
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 07, 2021 |
| Entity Registrant Name | Equillium, Inc. |
| Entity Central Index Key | 0001746466 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-38692 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 82-1554746 |
| Entity Address, Address Line One | 2223 Avenida de la Playa |
| Entity Address, Address Line Two | Suite 105 |
| Entity Address, City or Town | La Jolla |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92037 |
| City Area Code | 858 |
| Local Phone Number | 412-5302 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | EQ |
| Security Exchange Name | NASDAQ |