Ekso Bionics Holdings, Inc. Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended			2 Months Ended	12 Months Ended
	Feb. 25, 2021	Feb. 28, 2021	Feb. 26, 2021	Oct. 31, 2020	Feb. 25, 2021	Dec. 31, 2020	Dec. 31, 2019	Sep. 16, 2019
Subsidiary, Sale of Stock [Line Items]
Sale of shares (in dollars per share)								$ 1.00
Proceeds from issuance of common stock and warrants, net						$ 7,082	$ 21,188
Warrants exercised (in shares)						723
At-the-market offering
Subsidiary, Sale of Stock [Line Items]
Sale of shares (in dollars per share)				$ 6.75
Value of shares sold				$ 7,500
Subsequent Event
Subsidiary, Sale of Stock [Line Items]
Value of shares sold					$ 1,416
Warrants to purchase common stock, percent		7.00%
Exercise price (in dollars per share)			$ 12.8125
Subsequent Event \| Over-allotment option
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)			3,902
Sale of shares (in dollars per share)			$ 10.25
Value of shares sold			$ 40,000
Proceeds from issuance of common stock and warrants, net		$ 36,404
Expected term			5 years
Subsequent Event \| At-the-market offering
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)					78
Sale of shares (in dollars per share)			$ 10.72
Proceeds from issuance of common stock and warrants, net					$ 664
Available for future offerings	$ 6,668
Subsequent Event \| June 2020 Warrants
Subsidiary, Sale of Stock [Line Items]
Warrants exercised (in shares)					275