| Document and Entity Information | Apr. 04, 2022 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001650696 |
| Document Type | 8-K |
| Document Period End Date | Apr. 4, 2022 |
| 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 | 275 W. Lundgren Mill Drive |
| Entity Address, City or Town | Sisters |
| Entity Address, State or Province | OR |
| Entity Address, Postal Zip Code | 97759 |
| City Area Code | (888) |
| Local Phone Number | 670-6796 |
| 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 |
