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Note 5 - Redeemable, Convertible Preferred Stock (Tables)
3 Months Ended
Mar. 31, 2025
Temporary Equity [Abstract]  
Schedule of Redeemable, Convertible Preferred Stock

Redeemable convertible preferred stock was as follows:

 

 

 

March 31,

 

 

December 31,

 

(in millions)

 

2025

 

 

2024

 

Series B preferred stock

 

$

98

 

 

$

98

 

Series C preferred stock

 

 

122

 

 

 

120

 

Total

 

$

220

 

 

$

218