XML 29 R19.htm IDEA: XBRL DOCUMENT v3.21.2
Common Stock Warrants and Warrant Liability (Tables)
9 Months Ended
Sep. 30, 2021
Common Stock Warrants and Warrant Liability  
Schedule of warrant activity

The following table summarizes warrant activity for the nine months ended September 30, 2021 (fair value amount in thousands):

Equity Classified

Liability Classified

    

Warrants

    

Warrants

    

Estimated Fair Value

Warrants outstanding as of December 31, 2020

1,881,789

146,837

$

601

Change in fair value of common stock warrant liability recognized in consolidated statement of operations

 

 

 

(600)

Warrants outstanding as of September 30, 2021

1,881,789

146,837

$

1

The following table summarizes warrant activity for the nine months ended September 30, 2020 (fair value amount in thousands):

Equity Classified

Liability Classified

    

Warrants

    

Warrants

    

Estimated Fair Value

Warrants outstanding as of December 31, 2019

2,136,549

146,837

$

274

Exercises

 

(254,760)

 

 

Change in fair value of common stock warrant liability recognized in consolidated statement of operations

 

 

 

768

Warrants outstanding as of September 30, 2020

1,881,789

146,837

$

1,042