Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation Plans and Awards (Narrative) (Details)

v2.4.1.9
Stock-based Compensation Plans and Awards (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 14,410,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Stock options [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options exercised on a cashless basis 233,897ekso_StockIssuedDuringPeriodSharesStockOptionsExercisedOnCashlessBasis
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Unrecognized compensation cost $ 2,713us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Unrecognized compensation cost, period for recognition 2 years 7 months 17 days
Equity Incentive Plan 2014 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 14,410,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= ekso_EquityIncentivePlan2014Member
Share Based Compensation Arrangement by Share Based Payment Award Number of Shares Conversion of Prior Plan 7,602,408ekso_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesConversionOfPriorPlan
/ us-gaap_PlanNameAxis
= ekso_EquityIncentivePlan2014Member
Vesting period 4 years
Minimum [Member] | Equity Incentive Plan 2014 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of fair market value 100.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
/ us-gaap_PlanNameAxis
= ekso_EquityIncentivePlan2014Member
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Minimum [Member] | Stockholders [Member] | Equity Incentive Plan 2014 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of fair market value 110.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
/ us-gaap_PlanNameAxis
= ekso_EquityIncentivePlan2014Member
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ekso_StockholdersMember
Maximum [Member] | Equity Incentive Plan 2014 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expiration period 10 years
Maximum [Member] | Stockholders [Member] | Equity Incentive Plan 2014 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expiration period 5 years