| Document And Entity Information | May 10, 2023 |
| Document Information [Line Items] | |
| Entity, Registrant Name | PLANET 13 HOLDINGS INC. |
| Document, Type | 8-K |
| Document, Period End Date | May 10, 2023 |
| Entity, Incorporation, State or Country Code | A1 |
| Entity, File Number | 000-56374 |
| Entity, Tax Identification Number | 83-2787199 |
| Entity, Address, Address Line One | 2548 West Desert Inn Road |
| Entity, Address, Address Line Two | Suite 100 |
| Entity, Address, City or Town | Las Vegas |
| Entity, Address, State or Province | NV |
| Entity, Address, Postal Zip Code | 89109 |
| City Area Code | 702 |
| Local Phone Number | 815-1313 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | true |
| Entity, Ex Transition Period | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001813452 |
