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WARRANTS
 6 Months Ended
Jun. 30, 2021
Warrants  
WARRANTS

15. WARRANTS 

 

During the six months ended June 30, 2021, the Company did not issue any warrants. The following table summarizes information about common stock warrants outstanding at June 30, 2021:

 

Outstanding   Exercisable 
       Weighted             
       Average   Weighted       Weighted 
       Remaining   Average       Average 
Exercise  Number   Contractual   Exercise   Number   Exercise 
Price  Outstanding   Life (Years)   Price   Exercisable   Price 
$—   6,500    3.00   $—    6,500   $— 
$0.88 - $1.91   3,237,016    4.05   $1.43    3,237,016     $0.88 - $1.91  
$8.00 - $19.80   53,452    3.13   $12.74    53,452     $8.00 - $19.80  
$440 - $920   16,225    1.95   $733.40    16,225     $440 - $920  
$1,040 - $2,000   2,367    1.93   $1,404.85    2,367     $1,040 - $2,000  
$0.88 - $2,000   3,315,560    4.02   $6.19    3,315,560   $6.19 

 

The Company utilized the Black-Scholes option pricing model and the assumptions used during the six months ended June 30, 2020:

 

     
Exercise price  $0.88 - $1.91 
Remaining contractual term (in years)   5.0 
Volatility   86.3%
Weighted average risk free interest rate   0.46% — 1.38% 
Expected dividend yield   0%