v3.25.1
Note 6 - Stockholders' Equity and Stock-based Compensation - Summary of Time-based Option Activity (Details) - Time-based Options [Member] - $ / shares
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Options balances, number of shares (in shares) 8,075,265  
Options balances, weighted average exercise price (in dollars per share) $ 10.49  
Options balances, weighted average remaining life (Year) 6 years 11 months 19 days 6 years 8 months 19 days
Options granted, number of shares (in shares) 1,172,600  
Options granted, weighted average exercise price (in dollars per share) $ 19.04  
Options exercised, number of shares (in shares) (51,000)  
Options exercised, weighted average exercise price (in dollars per share) $ 7.45  
Options canceled, number of shares (in shares) (40,000)  
Options canceled, weighted average exercise price (in dollars per share) $ 15.1  
Options expired, number of shares (in shares) 0  
Options expired, weighted average exercise price (in dollars per share) $ 0  
Options balances, number of shares (in shares) 9,156,865 8,075,265
Options balances, weighted average exercise price (in dollars per share) $ 11.58 $ 10.49
Options exercisable, number of shares (in shares) 4,309,452  
Options exercisable, weighted average exercise price (in dollars per share) $ 13.27  
Options exercisable, weighted average remaining life (Year) 4 years 9 months 25 days