Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Tables)

v3.21.2
Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of summarizes activity for stock options under both plans
                Weighted-        
    Number of           Average        
    Shares     Weighted-     Remaining     Aggregate  
    Underlying     Average     Contractual     Intrinsic  
    Outstanding     Exercise     Term     Value  
    Options     Price     (in Years)     (in thousands)  
Outstanding, December 31, 2020     786,047       1.42       8.28       2,201  
Options granted     319,745       5.83                  
Options exercised     (283,335 )     0.18                  
Outstanding, September 30, 2021     822,457       3.56       8.05       504  
                                 
Shares vested and exercisable as of September 30, 2021     273,421     $ 3.30       8.10     $ 232  

 

Schedule of Company has recorded stock-based compensation expense, allocated by functional
    Three Months Ended     Nine Months Ended  
    September 30,     September 30,  
    2020     2021     2020     2021  
                         
Research and development   $ 56     $ 167     $ 117     $ 623  
General and administrative     15       72       44       112  
Total stock-based compensation   $ 71     $ 239     $ 161     $ 735  

 

Schedule of fair value of awards granted to employees, directors and non-employees
    Nine Months Ended  
    September 30,  
    2020     2021  
Expected volatility           114.00 %      102.00 – 105.00 %
Risk-free interest rate            0.44 - 0.51 %     0.61 - 0.92 %
Dividend yield           - %     - %
Expected term            6.25 years        5.13 – 6.25 years