| Document And Entity Information | Dec. 29, 2023 |
| Document Information Line Items | |
| Entity Registrant Name | CLS HOLDINGS USA, INC. |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Central Index Key | 0001522222 |
| Document Period End Date | Dec. 29, 2023 |
| Entity Emerging Growth Company | false |
| Entity Incorporation, State or Country Code | NV |
| Entity File Number | 000-55546 |
| Entity Tax Identification Number | 45-1352286 |
| Entity Address, Address Line One | 516 S. 4th Street |
| Entity Address, City or Town | Las Vegas |
| Entity Address, State or Province | NV |
| Entity Address, Postal Zip Code | 89101 |
| City Area Code | (888) |
| Local Phone Number | 359-4666 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | None |
| No Trading Symbol Flag | true |
| Security Exchange Name | NONE |
