Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

v3.20.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Potentially dilutive securities excluded from the computation of basic and diluted net income (loss) per share are as follows:
   

December 31,

2020

   

December 31,

2019

 

Series C convertible preferred stock

    47,578       82,251  

Options to purchase common stock

    3,568,497       3,980,804  

Warrants to purchase common stock

    1,446,200       2,744,718  

Vested restricted stock awards

    -       25,000  

Totals

    5,062,275       6,832,773