Quarterly report pursuant to Section 13 or 15(d)

Equity - Components of Stock Based Compensation (Details)

v3.20.1
Equity - Components of Stock Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Class of Stock [Line Items]    
Share-based compensation expense $ 397 $ 348
General and administrative    
Class of Stock [Line Items]    
Share-based compensation expense 334 302
Research and development    
Class of Stock [Line Items]    
Share-based compensation expense $ 63 $ 46