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WARRANTS (Tables)
12 Months Ended
Dec. 31, 2021
Warrants  
SUMMARY OF WARRANT ACTIVITY

Following is a summary of all warrant activity for the two years ended December 31, 2021:

 

Warrants 

Number of

Warrants

Issued

  

Weighted

Average

Exercise

Price

 
Warrants outstanding at January 1, 2020   41,739   $28.05 
Warrants issued during 2020   234,834   $18.15 
Warrants exercised during 2020 (see Note 12)   (13,333)  $0.15 
Warrants cancelled during 2020   (6,337)  $39.45 
Warrants outstanding and exercisable at December 31, 2020   256,903   $20.10 
Warrants exercised during 2021 (see Note 10)   (81,111)  $18.60 
Warrants outstanding and exercisable at December 31, 2021   175,792*  $21.00 
           
Aggregate intrinsic value of outstanding warrants at December 31, 2021  $-0-      
           
Weighted average remaining contractual terms (years)   3.9*     

 

* Warrants to exercise 7,273 shares of common stock at an exercise price of $48.30 per share expired on February 21, 2022.