| Document And Entity Information | Aug. 14, 2023 |
| Document Information [Line Items] | |
| Entity, Registrant Name | TSS, INC. |
| Document, Type | 8-K |
| Document, Period End Date | Aug. 14, 2023 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 000-33627 |
| Entity, Tax Identification Number | 20-2027651 |
| Entity, Address, Address Line One | 110 E. Old Settlers Road |
| Entity, Address, City or Town | Round Rock |
| Entity, Address, State or Province | TX |
| Entity, Address, Postal Zip Code | 78664 |
| City Area Code | 512 |
| Local Phone Number | 310-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001320760 |
