Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

v2.4.1.9
Commitments and Contingencies (Details) (Royalty Agreement Terms [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Mar. 31, 2015
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty $ 40us-gaap_RoyaltyExpense $ 20us-gaap_RoyaltyExpense $ 10us-gaap_RoyaltyExpense  
Future minimum annual royalties        
2016       50us-gaap_ContractualObligationDueInNextTwelveMonths
Net sales [Member]
        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty percentage       1.00%ekso_RoyaltyPercentage
/ us-gaap_IncomeStatementLocationAxis
= ekso_SalesRevenueGoodsNetExcludingGovernmentSalesMember
/ us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis
= us-gaap_RoyaltyAgreementTermsMember
License fees [Member]
        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty percentage       21.00%ekso_RoyaltyPercentage
/ us-gaap_IncomeStatementLocationAxis
= ekso_LicenseRevenueMember
/ us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis
= us-gaap_RoyaltyAgreementTermsMember
Sub-licensee net sales [Member]
        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty percentage       1.00%ekso_RoyaltyPercentage
/ us-gaap_IncomeStatementLocationAxis
= ekso_SublicenseeSalesRevenueGoodsNetExcludingGovernmentSalesMember
/ us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis
= us-gaap_RoyaltyAgreementTermsMember