Quarterly report pursuant to Section 13 or 15(d)

The Merger, Offering and Other Related Transactions (Merger, Narrative) (Details)

v2.4.1.9
The Merger, Offering and Other Related Transactions (Merger, Narrative) (Details)
 3 Months Ended
Mar. 31, 2015
The Merger, Offering and Other Related Transactions [Abstract]  
Common stock issued for acquisition 5,280,368us-gaap_StockIssuedDuringPeriodSharesAcquisitions
Previously held common stock issued for acquisition 4,500,600ekso_StockIssuedDuringPeriodSharesAcquisitionsPreviouslyHeld
Number of newly issued common stock issued for acquisition 779,768ekso_StockIssuedDuringPeriodSharesAcquisitionsNewIssues
Equity interest percentage 6.80%ekso_EquityInterest
Common stock [Member]  
Business Acquisition [Line Items]  
Shares issued in business acquisition 42,615,556us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember
Conversion ratio 1.5238ekso_ConversionOfStockConversionRatio
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_CommonStockMember
Warrants [Member]  
Business Acquisition [Line Items]  
Shares issued in business acquisition 621,361us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_WarrantMember
Stock options [Member]  
Business Acquisition [Line Items]  
Shares issued in business acquisition 7,602,408us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_StockOptionMember
Shares converted in business acquisition 4,989,111ekso_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesConverted
/ us-gaap_EquityInterestIssuedOrIssuableByTypeAxis
= us-gaap_StockOptionMember
Series A [Member]  
Business Acquisition [Line Items]  
Conversion ratio 1.6290ekso_ConversionOfStockConversionRatio
/ us-gaap_StatementClassOfStockAxis
= ekso_SeriesAconvertiblePreferredStockMember
Series A-2 [Member]  
Business Acquisition [Line Items]  
Conversion ratio 1.9548ekso_ConversionOfStockConversionRatio
/ us-gaap_StatementClassOfStockAxis
= ekso_SeriesAtwoConvertiblePreferredStockMember
Series B [Member]  
Business Acquisition [Line Items]  
Conversion ratio 1.9548ekso_ConversionOfStockConversionRatio
/ us-gaap_StatementClassOfStockAxis
= ekso_SeriesBconvertiblePreferredStockMember