Post-effective amendment to a registration statement that is not immediately effective upon filing

Organization (Details)

v2.4.1.9
Organization (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Organization [Abstract]        
Cash used in operations $ (15,007,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations $ (9,063,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations $ (12,663,000)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations  
Cash 25,190,000us-gaap_CashAndCashEquivalentsAtCarryingValue 805,000us-gaap_CashAndCashEquivalentsAtCarryingValue 1,738,000us-gaap_CashAndCashEquivalentsAtCarryingValue 558,000us-gaap_CashAndCashEquivalentsAtCarryingValue
Average monthly net use of cash $ 1,250,000ekso_AverageMonthlyCashBurn