Quarterly report pursuant to Section 13 or 15(d)

Organization (Details)

v2.4.1.9
Organization (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Dec. 31, 2013
Organization [Abstract]        
Accumulated deficit $ (75,916)us-gaap_RetainedEarningsAccumulatedDeficit   $ (71,801)us-gaap_RetainedEarningsAccumulatedDeficit  
Cash 21,133us-gaap_CashAndCashEquivalentsAtCarryingValue 14,576us-gaap_CashAndCashEquivalentsAtCarryingValue 25,190us-gaap_CashAndCashEquivalentsAtCarryingValue 805us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash used in operations (3,828)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations (5,459)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations    
Average monthly net use of cash $ 1,300ekso_AverageMonthlyCashBurn