Quarterly report [Sections 13 or 15(d)]

Net Income (Loss) per Common Share (Schedule of potentially dilutive securities would be excluded from the computation of net loss per common share) (Details)

v3.26.1
Net Income (Loss) per Common Share (Schedule of potentially dilutive securities would be excluded from the computation of net loss per common share) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Effect of Series A preferred dividends on net income (loss) per share calculation $ 2.0 $ 2.0
Effect of subsidiaries deemed dividends $ 0.0 $ 0.1
Potentially dilutive securities 10,425,839 19,945,725
Warrants to purchase Common Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Potentially dilutive securities 8,280,725 14,396,201
Options to purchase Common Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Potentially dilutive securities   18,896
Unvested Restricted Stock and deferred Restricted Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Potentially dilutive securities 638,659 3,093,923
Unvested Restricted Stock units and deferred Restricted Stock units    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Potentially dilutive securities 1,506,455 2,436,705