Annual report pursuant to Section 13 and 15(d)

The Merger, Offering and Other Related Transactions (Repayment of 2013 Bridge Note, Narrative) (Details)

v2.4.1.9
The Merger, Offering and Other Related Transactions (Repayment of 2013 Bridge Note, Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 12 Months Ended
Nov. 30, 2013
Dec. 31, 2014
Oct. 31, 2014
Dec. 31, 2013
Repayment of 2013 Bridge Note [Line Items]        
Number of shares called by warrants   36,055,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights 30,300,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights 1,388,573us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Bridge Warrants [Member]        
Repayment of 2013 Bridge Note [Line Items]        
Number of shares called by warrants   2,500,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ClassOfWarrantOrRightAxis
= ekso_BridgeNoteWarrantsMember
   
Exercise price $ 1.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= ekso_BridgeNoteWarrantsMember
$ 1.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= ekso_BridgeNoteWarrantsMember
   
Expiration period 3 years 3 years    
2013 Bridge Notes [Member]        
Repayment of 2013 Bridge Note [Line Items]        
Principal amount $ 5,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember
     
Accrued interest $ 83us-gaap_InterestPayableCurrent
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember
$ 5,083us-gaap_InterestPayableCurrent
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember
   
Number of shares called by warrants 5,000,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember
     
2013 Bridge Notes [Member] | Bridge Warrants [Member]        
Repayment of 2013 Bridge Note [Line Items]        
Number of warrants issued for conversion of debt 2,500,000us-gaap_DebtConversionConvertedInstrumentWarrantsOrOptionsIssued1
/ us-gaap_ClassOfWarrantOrRightAxis
= ekso_BridgeNoteWarrantsMember
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_BridgeLoanMember