XML 29 R20.htm IDEA: XBRL DOCUMENT v3.23.1
Fair Value of Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2023
Fair Value of Financial Instruments [Abstract]  
Schedule of assets and liabilities measured at fair value on a recurring basis
   March 31, 2023 
   Fair Value   Level 1   Level 2   Level 3 
Assets:                
Money market funds (1)  $81   $—   $—   $— 
Corporate notes and commercial paper  $587   $—   $587   $— 
                     
Liabilities:                    
Warrant  $1,421   $—   $—   $1,421 

 

   December 31, 2022 
   Fair Value   Level 1   Level 2   Level 3 
Assets:                
Money market funds (1)  $73   $—   $—   $— 
Corporate notes and commercial paper  $1,078   $—   $1,078   $— 
                     
Liabilities:                    
Warrant  $2,079   $—   $—   $2,079 

 
Schedule of determination of fair value for its financial assets
   March 31, 2023 
       Unrealized   Unrealized   Fair 
   Cost   Gains   Losses   Value 
Cash and cash equivalents  $805   $    —   $     —   $805 
Short-term investments   573    14    —    587 
   $1,378   $14   $—   $1,392 

 

   December 31, 2022 
       Unrealized   Unrealized   Fair 
   Cost   Gains   Losses   Value 
Cash and cash equivalents  $1,828   $    —   $       —   $1,828 
Short-term investments   1,103    —    (25)   1,078 
   $2,931   $—   $(25)  $2,906 

 
Schedule of liability-classified warrant outstanding
   Number of
warrants on 		     
   common shares   Amount 
Balance as of December 31, 2021   —   $— 
Recognition of warrant liability   3,675    3,674 
Change in fair value of warrant   —    (1,595)
Balance as of December 31, 2022   3,675    2,079 
Change in fair value of warrant   —    (658)
Balance as of March 31, 2023   3,675   $1,421