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Stockholders' Equity (Deficit) (Details Narrative)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Aug. 02, 2024
USD ($)
Integer
$ / shares
shares
Jul. 18, 2024
USD ($)
$ / shares
shares
Sep. 30, 2023
$ / shares
shares
Sep. 30, 2023
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
$ / shares
shares
Jun. 28, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
$ / shares
shares
Jan. 31, 2021
USD ($)
Class of Warrant or Right [Line Items]                
Preferred stock, shares authorized (in shares)         2,000,000   2,000,000  
Preferred stock, par value (in dollars per share) | $ / shares         $ 0.001   $ 0.001  
Series D Preferred Stock [Member]                
Class of Warrant or Right [Line Items]                
Preferred stock, shares authorized (in shares)         150,000      
Series E Preferred Stock [Member]                
Class of Warrant or Right [Line Items]                
Preferred stock, shares authorized (in shares)         39,500   39,500  
Preferred stock, par value (in dollars per share) | $ / shares         $ 0.001   $ 0.001  
Preferred stock issued (in shares)         25,000   25,000  
Preferred stock, shares outstanding (in shares)         25,000   25,000  
ATM Offering [Member] | Canaccord Genuity L L C [Member]                
Class of Warrant or Right [Line Items]                
Number of shares issued (in shares)     0 803,596        
Equity distribution agreement, maximum aggregate amount authorized for offer or sale | $               $ 40.0
Purchase price (in dollars per share) | $ / shares     $ 7.54 $ 7.54        
Proceeds from sale of stock | $       $ 6.1        
2025 Notes [Member] | Convertible Debt [Member]                
Class of Warrant or Right [Line Items]                
Number of securities called by warrants or rights (in shares) 100,000 200,000            
Exercise price of warrants (in dollars per share) | $ / shares $ 11.03 $ 13.37            
Number of related holders | $ $ 1.5 $ 4.7       $ 3.0    
Number of shares issued (in shares) 100,000 300,000            
Number of related holders | Integer 2              
Warrant or right, reason for issuance expiry term         4 years      
Exercised price of warrants (in shares)         0      
Additional Paid-in Capital [Member]                
Class of Warrant or Right [Line Items]                
Warrants | $         $ 3.2      
Loan Warrants [Member]                
Class of Warrant or Right [Line Items]                
Number of securities called by warrants or rights (in shares)           550,000    
Exercise price of warrants (in dollars per share) | $ / shares           $ 12.12    
Exercised price, loan warrants (in dollars per share) | $ / shares         $ 0