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Stockholders' Equity - Narrative (Details)
1 Months Ended 12 Months Ended
Jul. 10, 2023
USD ($)
$ / shares
shares
Jun. 16, 2022
USD ($)
shares
Jun. 02, 2022
USD ($)
May 30, 2022
$ / shares
shares
May 09, 2022
Apr. 06, 2022
USD ($)
$ / shares
shares
May 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Apr. 08, 2022
USD ($)
Class of Stock [Line Items]                    
Stock split, conversion ratio         0.091          
Stock issuance costs     $ 100,000         $ 5,000 $ 106,000  
Preferred stock, shares authorized (in shares) | shares               2,000,000 2,000,000  
Preferred stock par value (in dollars per share) | $ / shares               $ 0.0001 $ 0.0001  
Preferred stock, shares issued (in shares) | shares               15,000 15,000  
Preferred stock, shares outstanding (in shares) | shares               15,000 15,000  
Common stock, shares authorized (in shares) | shares               170,000,000 170,000,000  
Common stock par value (in dollars per share) | $ / shares               $ 0.0001 $ 0.0001  
Common stock, shares issued (in shares) | shares               29,130,607 12,163,673  
Common stock, shares outstanding (in shares) | shares               29,130,607 12,163,673  
Proceeds from issuance of common stock               $ 14,861,000 $ 15,016,000  
Proceeds from issuance of warrants     12,900,000              
Registered Direct Offering Pre-Funded Warrant                    
Class of Stock [Line Items]                    
Number of shares of common stock for which warrant is exercisable (in shares) | shares       7,788,480            
Discount, pre-funded warrant (dollars per share) | $ / shares       $ 0.0001            
Exercise price of warrant (in dollars per share) | $ / shares       $ 0.0001            
PIPE Purchase Agreement Pre-Funded Warrant                    
Class of Stock [Line Items]                    
Warrants exercised (in shares) | shares               6,300,000 1,488,480  
Number of shares of common stock for which warrant is exercisable (in shares) | shares       1,267,897            
Discount, pre-funded warrant (dollars per share) | $ / shares       $ 0.0001            
Exercise price of warrant (in dollars per share) | $ / shares       0.0001       $ 0.0001 $ 0.0001  
Gross proceeds               $ 630 $ 149  
Purchase price, PIPE warrant (dollars per share) | $ / shares       $ 0.125            
Armistice Warrant Agreement                    
Class of Stock [Line Items]                    
Number of shares of common stock for which warrant is exercisable (in shares) | shares 9,900,990                  
Exercise price of warrant (in dollars per share) | $ / shares $ 1.39                  
Gross proceeds $ 13,800,000                  
Letter Agreement                    
Class of Stock [Line Items]                    
Extended expiration date 1 year                  
Armistice Reload Warrant Agreement                    
Class of Stock [Line Items]                    
Number of shares of common stock for which warrant is exercisable (in shares) | shares 3,750,000                  
Exercise price of warrant (in dollars per share) | $ / shares $ 5.13                  
Warrants and rights outstanding, term 54 months                  
Ownership limitation percentage 0.0999                  
Series X Convertible Preferred Stock                    
Class of Stock [Line Items]                    
Interest rate percentage           1.00%        
Common stock trading price (dollars per share) | $ / shares           $ 22.00        
Common stock trading period           30 days        
Accreted amount               200,000    
Conversion price (per share) | $ / shares           $ 11.00        
Convertible preferred stock (in shares)           91        
Outstanding common stock, percentage           9.90%        
Outstanding common stock, not to exceed, percentage           19.90%        
Percentage of investment owned           50.00%        
Maximum working capital line           $ 5,000,000        
Sale of stock consideration           15,000,000        
Stock issuance costs           100,000        
Net proceeds           14,900,000        
DaVita | Share Issuance, Tranche One                    
Class of Stock [Line Items]                    
Proceeds from issuance of convertible preferred stock           7,500,000        
DaVita | Share Issuance, Tranche Two                    
Class of Stock [Line Items]                    
Proceeds from issuance of convertible preferred stock   $ 7,500,000                
DaVita | Series X Convertible Preferred Stock                    
Class of Stock [Line Items]                    
Consideration authorized           15,000,000        
Additional capital           $ 15,000,000        
Stock price (in dollars per share) | $ / shares           $ 1,000        
DaVita | Series X Convertible Preferred Stock | Share Issuance, Tranche One                    
Class of Stock [Line Items]                    
Preferred shares sold (in shares) | shares           7,500        
DaVita | Series X Convertible Preferred Stock | Share Issuance, Tranche Two                    
Class of Stock [Line Items]                    
Preferred shares sold (in shares) | shares   7,500                
Private Placement                    
Class of Stock [Line Items]                    
Preferred shares sold (in shares) | shares       9,900,990            
Stock price (in dollars per share) | $ / shares       $ 1.39            
Sale of stock consideration     15,000,000              
Net proceeds     14,900,000              
Proceeds from issuance of common stock     $ 2,000,000              
Controlled Equity Offering | Cantor Fitzgerald & Co                    
Class of Stock [Line Items]                    
Consideration authorized               $ 11,000,000   $ 12,200,000
Preferred shares sold (in shares) | shares             7,500 640,944    
Sale of stock consideration             $ 15,135 $ 1,100,000    
Stock issuance costs             $ 378      
Weighted-average selling price (dollars per share) | $ / shares             $ 2.02      
Registered Direct Offering                    
Class of Stock [Line Items]                    
Preferred shares sold (in shares) | shares       844,613            
Stock price (in dollars per share) | $ / shares       $ 1.39