Annual report pursuant to Section 13 and 15(d)

Capitalization and Equity Structure (Schedule of Assumption Used in Valuation) (Details)

v2.4.1.9
Capitalization and Equity Structure (Schedule of Assumption Used in Valuation) (Details) (Warrants [Member], USD $)
12 Months Ended
Dec. 31, 2014
item
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Dividend yield   
Share price at final valuation $ 1.51us-gaap_SharePrice
Periods in the model 10ekso_FairValueAssumptionsPeriodsInModel
Minimum [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Risk-free interest rate 0.60%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Expected term 2 years 1 month 24 days
Volatility 65.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Periodic rate 0.13%ekso_FairValueAssumptionsPeriodicRate
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Maximum [Member]
 
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Risk-free interest rate 1.73%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Expected term 4 years 9 months 18 days
Volatility 79.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Periodic rate 0.83%ekso_FairValueAssumptionsPeriodicRate
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember