Quarterly report pursuant to Section 13 or 15(d)

Investment in Unconsolidated Affiliate - Narrative (Details)

v3.20.1
Investment in Unconsolidated Affiliate - Narrative (Details)
$ / shares in Units, ¥ in Thousands, shares in Thousands, $ in Thousands
Oct. 22, 2019
CNY (¥)
Oct. 22, 2019
USD ($)
Jan. 30, 2019
USD ($)
$ / shares
shares
Mar. 31, 2020
USD ($)
Exoskeleton Intelligent Robotics Co. Limited        
Schedule of Equity Method Investments [Line Items]        
Right to receive ownership percentage 20.00% 20.00%    
Direct costs       $ 66
Two Other Parties | Exoskeleton Intelligent Robotics Co. Limited        
Schedule of Equity Method Investments [Line Items]        
Payment to acquire investment ¥ 624,000 $ 92,000    
Investment agreement in years 10 years 10 years    
Zhejiang Youchuang Venture Capital Investment Co., Ltd | Ekso Bionics Holdings, Inc.        
Schedule of Equity Method Investments [Line Items]        
Aggregate investment     $ 10,000  
Financing receivable     $ 5,000  
Volume weighted average price, trading days     20 days  
Common Stock        
Schedule of Equity Method Investments [Line Items]        
Number of shares sold (in shares) | shares     205  
Amount received from sale of shares     $ 5,000  
Price per share sold (in dollars per share) | $ / shares     $ 24.45  
Issuance costs     $ 8