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Warrants (Tables)
6 Months Ended
Jun. 30, 2022
Warrants  
Summary of Warrant Activity

A summary of warrant activity during the six months ended June 30, 2022 is as follows:

Weighted-Average

    

    

Weighted

Remaining

Number of

Average

Contractual Term

Warrants

Exercise Price

(Years)

Warrants outstanding, December 31, 2021

 

2,776,191

 

Expired

(155)

Exercises (see Note 8)

 

(1,760,870)

 

Warrants outstanding, June 30, 2022

 

1,015,166

 

$

0.66

1.4