Quarterly report [Sections 13 or 15(d)]

Net Income (Loss) per Common Share (Schedule of Diluted Weighted Average Shares Outstanding) (Details)

v3.25.2
Net Income (Loss) per Common Share (Schedule of Diluted Weighted Average Shares Outstanding) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
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 $ 4.0 $ 4.0
Effect of partner company deemed dividends on net income (loss) per share calculation $ 0.1 $ 0.4 $ 0.2 $ 0.8
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding     20,077,787 8,031,966
Warrants to purchase Common Stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding     14,309,001 5,769,787
Options to purchase Common Stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding     18,896 18,896
Unvested Restricted Stock and deferred Restricted Stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding     3,094,187 1,870,344
Unvested Restricted Stock units and deferred Restricted Stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding     2,655,703 372,939