Document And Entity Information |
Jan. 16, 2026 |
|---|---|
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Amendment Description | This Amendment No. 1 to Current Report on Form 8-K (the “Form 8-K/A”) amends and restates the Current Report on Form 8-K of Synlogic, Inc. (the “Company”) filed with the U.S. Securities and Exchange Commission on January 20, 2026 (the “Original Form 8-K”), which reported the delisting of the Company's shares of common stock from Nasdaq. This Form 8-K/A is being filed to include Item 8.01 to state that the Company believes that it is a “public shell” and to amend the disclosure in Item 3.01 to disclose the tier of the OTC Markets Group, Inc. upon which the Company expects its shares of common stock to be quoted. |
| Document Period End Date | Jan. 16, 2026 |
| Entity Registrant Name | SYNLOGIC, INC. |
| Entity Central Index Key | 0001527599 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-37566 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 26-1824804 |
| Entity Address, Address Line One | PO Box 30 |
| Entity Address, City or Town | Winchester |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01890 |
| City Area Code | (617) |
| Local Phone Number | 659-2802 |
| 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 per share |
| Trading Symbol | SYBX |
| Security Exchange Name | NASDAQ |