| Document and Entity Information Document | Dec. 29, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Dec. 29, 2020 |
| Entity Registrant Name | Ekso Bionics Holdings, Inc. |
| Entity Central Index Key | 0001549084 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | NV |
| Entity File Number | 001-37854 |
| Entity Tax Identification Number | 99-0367049 |
| Entity Address, Address Line One | 1414 Harbour Way South, Suite 1201 |
| Entity Address, City or Town | Richmond |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94804 |
| City Area Code | 510 |
| Local Phone Number | 984-1761 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value per share |
| Trading Symbol | EKSO |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
