Quarterly report [Sections 13 or 15(d)]

Stockholders' Equity (Stock Option Activities) (Details)

v3.25.1
Stockholders' Equity (Stock Option Activities) (Details) - Employee Stock Option - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Options rollforward    
Stock Options, Outstanding, Number, Beginning Balance 1,521  
Options, Outstanding, Number, Ending Balance 1,521 1,521
Options vested and exercisable 951  
Weighted Average Exercise Price    
Weighted Average Exercise Price, Beginning $ 4,297.5  
Weighted Average Exercise Price, Ending 4,297.5 $ 4,297.5
Weighted Average Exercise Price, options vested and exercisable $ 4,297.5  
Weighted Average Remaining Contractual Life, Options outstanding (in years) 2 years 21 days 2 years 3 months 21 days
Weighted Average Remaining Contractual Life, Options vested and exercisable (in years) 2 years 21 days  
Unrecognized share-based compensation $ 0