| Document And Entity Information | Nov. 27, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 27, 2023 |
| Entity Registrant Name | One Stop Systems, Inc. |
| Entity Central Index Key | 0001394056 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-38371 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 33-0885351 |
| Entity Address, Address Line One | 2235 Enterprise Street #110 |
| Entity Address, City or Town | Escondido |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92029 |
| City Area Code | 760 |
| Local Phone Number | 745-9883 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Title of 12(b) Security | Common Stock, $0.0001 par value per share |
| Trading Symbol | OSS |
| Security Exchange Name | NONE |
