Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Changes in fair value (Details)

v3.20.2
Fair Value Measurements - Changes in fair value (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Beginning Balance $ 11,175  
Change in fair value 1,189  
Reclass partner company's warrants from liability to equity (1,216) $ 0
Change in fair value of investments 575  
Ending Balance 11,723  
Caelum [Member]    
Beginning Balance 11,148  
Change in fair value of investments 575  
Ending Balance 11,723  
Warrants [Member]    
Beginning Balance 27  
Change in fair value 1,189  
Reclass partner company's warrants from liability to equity (1,216)  
Ending Balance $ 0