| Cover | Sep. 01, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | SharpSpring, Inc |
| Entity Central Index Key | 0001506439 |
| Document Type | 8-K |
| Amendment Flag | false |
| Current Fiscal Year End Date | --12-31 |
| Entity Emerging Growth Company | false |
| Document Period End Date | Sep. 1, 2021 |
| Entity File Number | 001-36280 |
| Entity Incorporation State Country Code | DE |
| Entity Tax Identification Number | 05-0502529 |
| Entity Address Address Line 1 | 5001 Celebration Pointe Avenue |
| Entity Address City Or Town | Gainesville |
| Entity Address State Or Province | FL |
| Entity Address Postal Zip Code | 32608 |
| City Area Code | 888 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Local Phone Number | 428-9605 |
| Security 12b Title | Common Stock, par value $0.001 per share |
| Trading Symbol | SHSP |
| Security Exchange Name | NASDAQ |
