| Cover | Sep. 21, 2022 |
| Cover [Abstract] | |
| Entity Registrant Name | MOBILESMITH, INC. |
| Entity Central Index Key | 0001113513 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Sep. 21, 2022 |
| Entity Incorporation State Country Code | DE |
| Entity Tax Identification Number | 95-4439334 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity File Number | 001-32634 |
| Entity Address Address Line 1 | 5400 Trinity Rd. |
| Entity Address Address Line 2 | Suite 208 |
| Entity Address City Or Town | Raleigh |
| Entity Address State Or Province | NC |
| Entity Address Postal Zip Code | 27607 |
| City Area Code | 855 |
| Local Phone Number | 516-2413 |
