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Net Loss Per Share (Schedule of Company's Potential Anti Dilutive Securities) (Details) - shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total shares excluded from calculation 852,957 411,869
Employee Stock Option [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total shares excluded from calculation 142,796 107,373
Restricted Stock Units (RSUs)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total shares excluded from calculation 34,498 9,177
6% convertible exchangeable preferred stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total shares excluded from calculation 6 6
Preferred stock, dividend rate (in percent) 6.00% 6.00%
Series A Convertible Preferred Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total shares excluded from calculation 440 440
Series B Convertible Preferred Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total shares excluded from calculation 39,667 79,248
Common Stock Warrants    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Total shares excluded from calculation 635,550 215,625