Quarterly report pursuant to Section 13 or 15(d)

Warrants (Narrative) (Details)

v2.4.1.9
Warrants (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Oct. 31, 2014
Class of Stock [Line Items]      
Warrant Shares Issued 36,055,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights   30,300,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Loss on warrant liability    $ (77,437)us-gaap_FairValueAdjustmentOfWarrants  
Warrants [Member]      
Class of Stock [Line Items]      
Exercise price     2.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
Warrant liability 10,613us-gaap_DerivativeLiabilities
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
   
Offer To Amend And Exercise [Member]      
Class of Stock [Line Items]      
Loss on warrant liability   $ (77,437)us-gaap_FairValueAdjustmentOfWarrants
/ us-gaap_StatementScenarioAxis
= ekso_OfferToAmendAndExerciseMember
 
Offer To Amend And Exercise [Member] | Warrants [Member]      
Class of Stock [Line Items]      
Exercise price     1.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
/ us-gaap_StatementScenarioAxis
= ekso_OfferToAmendAndExerciseMember