Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation (Tables)

v3.21.1
Share-based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Compensation [Abstract]  
Share-Based Compensation Expense
Share-based compensation expense was included in general and administrative and research and development costs as follows in the accompanying condensed consolidated statements of comprehensive loss for the three month periods indicated below (in thousands):
 
   
March 31,
 
   
2021
   
2020
 
General and administrative
 
$
193
   
$
42
 
Research and development
   
301
     
19
 
Total share-based compensation
 
$
494
   
$
61
 
Weighted Average Assumptions Used in Black-Scholes Option-pricing Model
The weighted‑average assumptions used in the Black‑Scholes option‑pricing model are as follows during the three months ended March 31, 2021 and 2020:
 
   
2021
   
2020
 
             
Expected stock price volatility
   
86.6
%
   
%
Expected life of options (years)
   
5.6
     
 
Expected dividend yield
   
%
   
%
Risk free interest rate
   
0.8
%
   
%