| Document And Entity Information | Dec. 03, 2024 |
| Document Information [Line Items] | |
| Entity, Registrant Name | RCM Technologies, Inc. |
| Document, Type | 8-K |
| Document, Period End Date | Dec. 03, 2024 |
| Entity, Incorporation, State or Country Code | NV |
| Entity, File Number | 1-10245 |
| Entity, Tax Identification Number | 95-1480559 |
| Entity, Address, Address Line One | 2500 McClellan Avenue, Suite 350 |
| Entity, Address, City or Town | Pennsauken |
| Entity, Address, State or Province | NJ |
| Entity, Address, Postal Zip Code | 08109-4613 |
| City Area Code | 856 |
| Local Phone Number | 356-4500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | RCMT |
| Security Exchange Name | NASDAQ |
| Amendment Flag | false |
| Entity, Central Index Key | 0000700841 |
