Ekso Bionics Holdings, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Capitalization and Equity Structure - Additional Information (Details)

Capitalization and Equity Structure - Additional Information (Details) - USD ($)				1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	May 24, 2019	Jan. 30, 2019	Aug. 21, 2018	Dec. 31, 2015	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2017	Dec. 31, 2016	May 31, 2019	May 22, 2019	Mar. 08, 2019	Mar. 07, 2019	Dec. 31, 2018	Sep. 30, 2017
Class of Stock [Line Items]
Common stock, shares authorized (in shares)					141,429,000		141,429,000								141,429,000
Preferred Stock, shares authorized (in shares)					10,000,000		10,000,000								10,000,000
Common stock, shares outstanding (in shares)					74,895,000		74,895,000								62,963,000
Common stock, shares issued (in shares)					74,895,000		74,895,000								62,963,000
Preferred stock, shares outstanding (in shares)					0		0								0
Preferred stock, shares issued (in shares)					0		0								0
Proceeds from issuance of common stock and warrants, net					$ 2,313,000		$ 2,313,000
Financing costs					706,000	$ 0	$ 706,000	$ 0
Exercise price (in dollars per share)												$ 2
Warrants issued (in shares)							6,667,000
Loss on modification of warrants					$ 0	$ 0	$ 257,000	$ 0
2019 Warrants
Class of Stock [Line Items]
Proceeds from issuance of common stock and warrants, net	$ 7,334,000
Warrants called (in shares)											6,667,000
Exercise price (in dollars per share)					$ 2		$ 2				$ 2
Warrants issued (in shares)							6,667,000
2015 Warrants
Class of Stock [Line Items]
Exercise price (in dollars per share)				$ 3.74	2.75		$ 2.75
Warrants issued (in shares)				2,122,000			0
Information Agent Warrants
Class of Stock [Line Items]
Warrants called (in shares)																200,000
Exercise price (in dollars per share)					$ 1.5		$ 1.5									$ 1.5
Warrants issued (in shares)							0
2015 Warrants, Amendment
Class of Stock [Line Items]
Exercise price (in dollars per share)													$ 2.75	$ 3.74
Underwriting agreement
Class of Stock [Line Items]
Proceeds from issuance of common stock and warrants, net	$ 10,000,000
Common Stock
Class of Stock [Line Items]
Number of shares sold (in shares)		3,067,000
Price per share sold (in dollars per share)		$ 1.63
Amount received from sale of shares		$ 5,000,000
Direct financing costs		$ 8,000
Common Stock \| At-The-Market Offering
Class of Stock [Line Items]
Aggregate value of offering			$ 25,000,000
Number of shares sold (in shares)					1,294,000		1,294,000
Price per share sold (in dollars per share)					$ 1.85		$ 1.85
Value of stock available for issuance							$ 17,734,000
Common Stock \| Underwriting agreement
Class of Stock [Line Items]
Number of shares sold (in shares)	6,667,000
Price per share sold (in dollars per share)	$ 1.5
Proceeds from issuance of common stock and warrants, net	$ 2,666,000
Direct financing costs	963,000
Issuance costs in APIC	257,000
Financing costs	$ 706,000
Warrants called (in shares)	6,667,000
Warrant
Class of Stock [Line Items]
Warrants exercised (in shares)									30,000	488,000