| Document And Entity Information | Oct. 30, 2024 |
| Document Information [Line Items] | |
| Entity, Registrant Name | CLIMB GLOBAL SOLUTIONS, INC. |
| Document, Type | 8-K |
| Document, Period End Date | Oct. 30, 2024 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 000-26408 |
| Entity, Tax Identification Number | 13-3136104 |
| Entity, Address, Address Line One | 4 Industrial Way West, Suite 300 |
| Entity, Address, City or Town | Eatontown |
| Entity, Address, State or Province | NJ |
| Entity, Address, Postal Zip Code | 07724 |
| City Area Code | 732 |
| Local Phone Number | 389-0932 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $.01 par value |
| Trading Symbol | CLMB |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0000945983 |
