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Stockholders' Deficit - Common stock (Details) - USD ($)
 3 Months Ended 4 Months Ended 6 Months Ended 10 Months Ended 12 Months Ended 22 Months Ended
May 09, 2024
May 05, 2024
Aug. 02, 2022
May 16, 2022
Jun. 30, 2024
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Jun. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2024
Oct. 31, 2023
Aug. 18, 2023
Aug. 17, 2022
Jul. 14, 2022
Class of Stock [Line Items]                                
Financing expense         $ 3,545,000       $ 3,545,000              
Common stock, shares authorized (in shares)         100,000,000       100,000,000 100,000,000 100,000,000 100,000,000        
Proceeds from private placement $ 7,300,000                              
Fair value loss on warrant liability         $ (4,694,000)       $ (4,694,000)              
Remained authorized amount for repurchase         $ 0       $ 0 $ 0   $ 0        
Common Stock [Member]                                
Class of Stock [Line Items]                                
Issue and sale of share         1,439,988 472,674 168,164                  
Number of stock repurchased                 179,866   78,559          
Treasury stock         $ 400,000       $ 400,000 $ 400,000 $ 100,000 $ 400,000        
Common Stock [Member] | Maximum [Member]                                
Class of Stock [Line Items]                                
Authorized amount of repurchase of stock                         $ 500,000      
2022 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] | Maximum [Member]                                
Class of Stock [Line Items]                                
Common stock, shares authorized (in shares)       57,500,000                        
2022 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] | Common Stock [Member]                                
Class of Stock [Line Items]                                
Maximum value of shares to be issued under agreement     $ 50,000,000                          
Issue and sale of share               266,666 0 150,000 410,500          
Period exercisable from the date of issuance                 36 months              
Number of maximum common shares can be resale                             633,333  
Initial commitment shares     32,846                         32,846
Initial commitment fee paid in cash     $ 100,000                          
Aggregate gross proceeds from sales of common stock     $ 25,000,000                          
Proceeds from sale of common stock, net               $ 3,200,000     $ 1,000,000          
2022 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] | Common Stock [Member] | Minimum [Member]                                
Class of Stock [Line Items]                                
Percentage issuance of common stock       19.99%                        
2022 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] | Common Stock [Member] | Maximum [Member]                                
Class of Stock [Line Items]                                
Number of maximum common shares can be resale                           1,500,000    
Number of shares reserved for issuance and sale                             600,486  
2020 Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] | Common Stock [Member]                                
Class of Stock [Line Items]                                
Issue and sale of share                       527,166        
May 2024 Private Placement [Member]                                
Class of Stock [Line Items]                                
Financing expense   $ 3,500,000                            
Fair value loss on warrant liability         $ 4,700,000       $ 4,700,000              
May 2024 Private Placement [Member] | Common Stock [Member]                                
Class of Stock [Line Items]                                
Proceeds from issuance of warrants   $ 10,900,000                            
Proceeds from private placement 7,300,000                              
Offering expenses $ 400,000                              
May 2024 Private Placement [Member] | Common Stock [Member] | Series A Warrant [Member]                                
Class of Stock [Line Items]                                
Number of shares issued 3,591,532 3,591,532                            
Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant   4.99%                            
May 2024 Private Placement [Member] | Common Stock [Member] | Series A Warrant [Member] | Initial Subscription [Member]                                
Class of Stock [Line Items]                                
Warrant exercise price (in dollars per share)   $ 1.772                            
May 2024 Private Placement [Member] | Common Stock [Member] | Series B Warrant [Member]                                
Class of Stock [Line Items]                                
Number of shares issued 3,591,532 3,591,532                            
Restricted beneficial ownership level result of exercise of warrant to receive pre-funded warrant   9.99%                            
May 2024 Private Placement [Member] | Common Stock [Member] | Series B Warrant [Member] | Additional Subscription [Member]                                
Class of Stock [Line Items]                                
Warrant exercise price (in dollars per share)   $ 1.908                            
May 2024 Private Placement [Member] | Common Stock [Member] | Series A Warrant and Series B Warrant [Member]                                
Class of Stock [Line Items]                                
Warrant exercise price (in dollars per share)   1.79                            
May 2024 Private Placement [Member] | Common Stock [Member] | Series A Warrant and Series B Warrant [Member] | Initial Subscription [Member]                                
Class of Stock [Line Items]                                
Offering price   2.04                            
May 2024 Private Placement [Member] | Common Stock [Member] | Pre-Funded Warrants [Member]                                
Class of Stock [Line Items]                                
Number of shares issued 2,151,544                              
May 2024 Private Placement [Member] | Common Stock [Member] | Securities Purchase Agreement [Member]                                
Class of Stock [Line Items]                                
Warrant exercise price (in dollars per share)   $ 0.001                            
Issue and sale of share   3,591,532                            
May 2024 Private Placement [Member] | Common Stock [Member] | Private Placement and Pre-Funded Warrant [Member] | Initial Subscription [Member]                                
Class of Stock [Line Items]                                
Purchase price of share   $ 2.022                            
May 2024 Private Placement [Member] | Common Stock [Member] | Private Placement and Pre-Funded Warrant [Member] | Additional Subscription [Member]                                
Class of Stock [Line Items]                                
Purchase price of share   $ 2.158