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Warrants (Tables)
12 Months Ended
Dec. 31, 2022
Warrants  
Summary of warrants outstanding and exercisable

A summary of warrants outstanding and exercisable as of December 31, 2022 is as follows (in thousands, except as noted):

Warrants Outstanding

Warrants Exercisable

Weighted

Average

Weighted

Weighted

Remaining

Average

Average

Number

Contractual

Exercise

Number

Exercise

Year Issued

    

Outstanding

    

Life

    

Price

    

Exercisable

    

Price

 

(in years)

 

(per share)

 

(per share)

2018

 

120

 

1.2

 

19.20

 

120

 

19.20

2019

 

281

 

1.8

 

13.76

 

281

 

13.76

2022

 

800

 

5.4

 

2.85

 

 

2.85

 

1,201

 

4.1

$

7.03

 

401

$

15.39