Annual report pursuant to Section 13 and 15(d)

Financial instruments - Collaboration and License Agreement (Details)

v3.10.0.1
Financial instruments - Collaboration and License Agreement (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
customer
Dec. 31, 2017
USD ($)
customer
Dec. 31, 2016
customer
Collaboration and License Agreement      
Number of customers | customer 1 1 1
GlaxoSmithKline Intellectual Property Development Ltd | Collaboration and License Agreement      
Collaboration and License Agreement      
Trade receivables $ 192,000 $ 206,000  
Impairment losses $ 0