| Document and Entity Information | Mar. 14, 2023 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001650696 |
| Document Type | 8-K |
| Document Period End Date | Mar. 14, 2023 |
| Entity Registrant Name | Laird Superfood, Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 1-39537 |
| Entity Tax Identification Number | 81-1589788 |
| Entity Address, Address Line One | 5303 Spine Road |
| Entity Address, Address Line Two | Suite 204 |
| Entity Address, City or Town | Boulder |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80301 |
| City Area Code | (541) |
| Local Phone Number | 588-3600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock |
| Trading Symbol | LSF |
| Security Exchange Name | NYSEAMER |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
