Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Summary of Significant Accounting Policies (Tables)

v3.21.2
Note 2 - Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   

June 30,

 

Excluded potentially dilutive securities (1):

 

2021

   

2020

 
                 

Options to purchase common stock

    1,038,439       1,425,004  

Unvested restricted stock units

    4,840,763       4,244,003  

Financing warrants to purchase common stock

    6,372       103,500  

Total potential dilutive securities

    5,885,574       5,772,507