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Capitalization and Equity Structure (Common and Convertible Preferred Stock) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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| Class of Stock [Line Items] | ||
| Number of shares issued | 0us-gaap_PreferredStockSharesIssued | 25,923,872us-gaap_PreferredStockSharesIssued |
| Number of shares outstanding | 0us-gaap_PreferredStockSharesOutstanding | 25,923,872us-gaap_PreferredStockSharesOutstanding |
| Liquidation preference per share | $ 1.07us-gaap_PreferredStockLiquidationPreference | |
| Aggregate liquidation preference | $ 27,849us-gaap_PreferredStockLiquidationPreferenceValue | |
| Series A [Member] | ||
| Class of Stock [Line Items] | ||
| Number of shares issued |
7,324,424us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = ekso_SeriesAconvertiblePreferredStockMember |
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| Number of shares outstanding |
7,324,424us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = ekso_SeriesAconvertiblePreferredStockMember |
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| Liquidation preference per share |
$ 1.07us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = ekso_SeriesAconvertiblePreferredStockMember |
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| Aggregate liquidation preference |
7,868us-gaap_PreferredStockLiquidationPreferenceValue / us-gaap_StatementClassOfStockAxis = ekso_SeriesAconvertiblePreferredStockMember |
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| Series A-2 [Member] | ||
| Class of Stock [Line Items] | ||
| Number of shares issued |
8,474,867us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = ekso_SeriesAtwoConvertiblePreferredStockMember |
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| Number of shares outstanding |
8,474,867us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = ekso_SeriesAtwoConvertiblePreferredStockMember |
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| Liquidation preference per share |
$ 1.07us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = ekso_SeriesAtwoConvertiblePreferredStockMember |
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| Aggregate liquidation preference |
9,104us-gaap_PreferredStockLiquidationPreferenceValue / us-gaap_StatementClassOfStockAxis = ekso_SeriesAtwoConvertiblePreferredStockMember |
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| Series B [Member] | ||
| Class of Stock [Line Items] | ||
| Number of shares issued |
10,124,581us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = ekso_SeriesBconvertiblePreferredStockMember |
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| Number of shares outstanding |
10,124,581us-gaap_PreferredStockSharesOutstanding / us-gaap_StatementClassOfStockAxis = ekso_SeriesBconvertiblePreferredStockMember |
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| Liquidation preference per share |
$ 1.07us-gaap_PreferredStockLiquidationPreference / us-gaap_StatementClassOfStockAxis = ekso_SeriesBconvertiblePreferredStockMember |
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| Aggregate liquidation preference |
$ 10,877us-gaap_PreferredStockLiquidationPreferenceValue / us-gaap_StatementClassOfStockAxis = ekso_SeriesBconvertiblePreferredStockMember |
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- Definition
The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Value of the difference between preference in liquidation and the par or stated values of the preferred shares. No definition available.
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- Definition
Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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