Quarterly report pursuant to Section 13 or 15(d)

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

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Net Income (Loss) per Common Share (Schedule of Diluted Weighted Average Shares Outstanding) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Effect of Series A Preferred Dividends On Net Loss Per Share Calculation $ 2.0  
Effect of Partner Company Deemed Dividends On Net Loss Per Share Calculation $ 0.3  
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding 7,515,677 1,548,809
Warrants to purchase Common Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding 5,769,788 127,296
Employee Stock Option    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding 18,896 41,508
Unvested Restricted Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding 1,725,726 1,379,934
Unvested Restricted Stock Units    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from the computations of diluted weighted average shares outstanding 1,267 71