Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Derivative Contingently Issuable Warrant liabilities (Details)

v3.20.2
Fair Value Measurements - Derivative Contingently Issuable Warrant liabilities (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Fair Value Measurements    
Beginning balance $ 27  
Change in fair value 1,189  
Reclass partner company's warrants from liability to equity $ (1,216) $ 0