Ekso Bionics Holdings, Inc. Post-effective amendment to a registration statement that is not immediately effective upon filing

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

The Merger, Offering and Other Related Transactions (Private Placement Offering and Offer to Amend and Exercise, Narrative) (Details)

The Merger, Offering and Other Related Transactions (Private Placement Offering and Offer to Amend and Exercise, Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended		12 Months Ended			1 Months Ended
	Feb. 06, 2014	Jan. 14, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Nov. 30, 2013	Oct. 31, 2014	Nov. 30, 2014
Private Placement Offering [Line items]
Number of Units issued	9,720,000	20,580,000	30,300,000
Price per Unit	$ 1.00	$ 1.00	$ 1.00
Shares attached to each Unit	1ekso_EquityUnitsSharesPerUnit	1ekso_EquityUnitsSharesPerUnit	1ekso_EquityUnitsSharesPerUnit
Warrants attached to each Unit	1ekso_EquityUnitsWarrantsPerUnit	1ekso_EquityUnitsWarrantsPerUnit	1ekso_EquityUnitsWarrantsPerUnit
Gross proceeds				$ 2,000us-gaap_ProceedsFromConvertibleDebt	$ 3,311us-gaap_ProceedsFromConvertibleDebt
Repayment of senior note			2,596us-gaap_RepaymentsOfNotesPayable	1,829us-gaap_RepaymentsOfNotesPayable	610us-gaap_RepaymentsOfNotesPayable
Conversion price			$ 1.00
Payment of debt conversion and private placement commission			3,030
Number of shares called by warrants			36,055,000	1,388,573			30,300,000
Bridge Warrants [Member]
Private Placement Offering [Line items]
Exercise price			$ 1.00			$ 1.00
Expiration period			3 years			3 years
Number of shares called by warrants			2,500,000
PPO Warrants [Member]
Private Placement Offering [Line items]
Exercise price			$ 2.00					$ 2.00
Expiration period			5 years
Number of shares called by warrants			30,300,000					22,755,500
PPO Warrants [Member] \| Offer to Amend and Exercise [Member]
Private Placement Offering [Line items]
Exercise price								$ 1.00
Bridge Agent Warrants [Member]
Private Placement Offering [Line items]
Exercise price			$ 1.00
Expiration period			5 years
Number of shares called by warrants			500,000
PPO Agent Warrants [Member]
Private Placement Offering [Line items]
Exercise price			$ 1.00
Number of shares called by warrants			2,500,000
2013 Bridge Notes [Member]
Private Placement Offering [Line items]
Gross proceeds			25,300
Debt and accrued interest			5,083			83
Repayment of senior note			2,553
Payment of offering costs			$ 3,338
Number of shares called by warrants						5,000,000