| Cover | Dec. 31, 2024 |
| Cover [Abstract] | |
| Entity Registrant Name | TSS, INC. |
| Entity Central Index Key | 0001320760 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Dec. 31, 2024 |
| Entity File Number | 000-33627 |
| Entity Incorporation State Country Code | DE |
| Entity Tax Identification Number | 20-2027651 |
| Entity Address Address Line 1 | 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 |
| Security 12b Title | Common Stock, $0.0001 Par Value |
| Trading Symbol | TSSI |
| Security Exchange Name | NASDAQ |
