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Fair Value Measurement (Tables)
3 Months Ended
Mar. 31, 2023
Fair Value Measurement  
Summary of category of assets or liabilities carried at fair value

    

Total

    

Level 1

    

Level 2

    

Level 3

March 31, 2023

 

  

 

  

 

  

 

  

Assets

Cash equivalents:

Money market funds

$

100

$

100

$

$

Liabilities

Warrant liability – Series m-3 Preferred Stock

$

514

$

$

$

514

Warrant liability – Series S Preferred Stock

$

5,554

$

$

$

5,554

Derivative liability – Class A Common Stock warrants

$

467

$

$

$

467

2022 Convertible Notes

$

4,432

$

$

$

4,432

    

Total

    

Level 1

    

Level 2

    

Level 3

December 31, 2022

 

  

 

  

 

  

 

  

Assets

Cash equivalents:

Money market funds

$

3,025

$

3,025

$

$

Liabilities

Warrant liability – Series m-3 Preferred Stock

$

1,282

$

$

$

1,282

Warrant liability – Series s Preferred Stock

$

8,729

$

$

$

8,729

Derivative liability – Class A Common Stock warrants

$

1,146

$

$

$

1,146

2022 Convertible Notes

$

8,152

$

$

$

8,152

Warrant and Derivative Liability  
Fair Value Measurement  
Summary of changes in the fair value of Company's Level 3 warrant and derivative liability

March 31, 

March 31, 

    

2023

    

2022

Beginning Balance

$

11,157

$

30,566

Warrants exercised

(370)

Revaluation of Series m-3 and S Preferred Stock warrants

(4,622)

(7,522)

Ending Balance

$

6,535

$

22,674

Convertible Note Payable  
Fair Value Measurement  
Summary of changes in the fair value of Company's Level 3 warrant and derivative liability

    

March 31,

    

March 31,

2023

2022

Beginning Balance

$

8,152

$

Notes converted

 

(4,174)

 

Interest accretion

 

497

 

Revaluation of 2022 Convertible Notes

 

(43)

 

Ending Balance

$

4,432

$