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Convertible Notes - 2024 Convertible Notes (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 16, 2024
d
$ / shares
shares
Sep. 28, 2023
shares
Aug. 31, 2024
debt_instrument
shares
Apr. 30, 2024
USD ($)
debt_instrument
shares
Sep. 30, 2024
USD ($)
debt_instrument
$ / shares
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
debt_instrument
$ / shares
shares
Sep. 30, 2023
USD ($)
Sep. 16, 2024
d
₩ / shares
Sep. 15, 2024
$ / shares
May 09, 2024
USD ($)
tranche
shares
May 07, 2024
USD ($)
tranche
shares
Dec. 31, 2023
$ / shares
Debt Instrument [Line Items]                          
Loss on issuance of convertible notes             $ 700            
Converted shares (in shares) | shares   5,579,266                      
Common stock, par value (in dollars per share) | $ / shares         $ 0.0001   $ 0.0001           $ 0.0001
Repayment of letter of credit             $ 116 $ 0          
Loss on financial instruments         $ (16,849) $ (1,741) $ (31,004) 1,043          
Convertible Bridge Loan Warrants                          
Debt Instrument [Line Items]                          
Warrants issued (in shares) | shares         1,250,000   1,250,000            
Related party                          
Debt Instrument [Line Items]                          
Loss on financial instruments         $ (342) $ (42) $ (494) $ (12)          
Convertible Debt | Related party | Convertible Bridge Loan Warrants                          
Debt Instrument [Line Items]                          
Warrants issued (in shares) | shares         550,000   550,000            
Tranche Convertible Notes                          
Debt Instrument [Line Items]                          
Issued discount                       $ 100  
2024 Convertible Notes | Letter of Credit                          
Debt Instrument [Line Items]                          
Debt instrument, number of equity instruments | debt_instrument     4 2                  
Warrants issued (in shares) | shares     981,948 550,000                  
Repayment of letter of credit       $ 100                  
Issuance of common stock in connection with financial instrument transactions (in shares) | shares     743,900 416,667                  
Loss on financial instruments             $ 100            
2024 Convertible Notes | Convertible Debt                          
Debt Instrument [Line Items]                          
Loss on issuance of convertible notes         $ 3,600   $ 3,600            
Warrants issued (in shares) | shares         8,124,122   8,124,122            
2024 Convertible Notes | Convertible Debt | Related party                          
Debt Instrument [Line Items]                          
Debt instrument, number of equity instruments | debt_instrument             2            
Loss on issuance of convertible notes         $ 100   $ 100            
Conversion price (in USD per share) | (per share) $ 0.60               ₩ 500 $ 2.00      
Converted shares (in shares) | shares 162,000                        
Common stock, par value (in dollars per share) | $ / shares $ 0.0001                        
Debt conversion, number of holders | d 2               2        
Threshold trading days | d 10                        
Repayments for the three months ended September 30, 2024         $ 0   $ 0            
Warrants issued (in shares) | shares         550,000   550,000            
2024 Convertible Notes | Secured Debt                          
Debt Instrument [Line Items]                          
Debt instrument, number of equity instruments | debt_instrument             1            
Repayments for the three months ended September 30, 2024         $ 0   $ 0            
Warrants issued (in shares) | shares         1,000,000   1,000,000            
2024 Convertible Notes | Unsecured Debt                          
Debt Instrument [Line Items]                          
Debt instrument, number of equity instruments | debt_instrument         7   18            
Repayments for the three months ended September 30, 2024         $ 67   $ 806            
Convertible notes payable         $ 10,000   $ 10,000            
Warrants issued (in shares) | shares         6,802,877   6,802,877            
2024 Convertible Notes | Tranche Convertible Notes                          
Debt Instrument [Line Items]                          
Debt instrument, number of equity instruments | debt_instrument             3            
Repayments for the three months ended September 30, 2024         $ 147   $ 147            
Convertible notes payable                     $ 1,500 $ 2,500  
Interest rate                     12.00% 0.00%  
Number of tranches | tranche                     4 4  
Issued discount                     $ 100    
Warrants issued (in shares) | shares         1,210,000   1,210,000            
2024 Convertible Notes | Tranche Convertible Notes | Trance One                          
Debt Instrument [Line Items]                          
Convertible notes payable                     400 $ 600  
2024 Convertible Notes | Tranche Convertible Notes | Tranche Two                          
Debt Instrument [Line Items]                          
Convertible notes payable                     400 600  
2024 Convertible Notes | Tranche Convertible Notes | Tranche Three                          
Debt Instrument [Line Items]                          
Convertible notes payable                     400 600  
2024 Convertible Notes | Tranche Convertible Notes | Tranche Four                          
Debt Instrument [Line Items]                          
Convertible notes payable                     $ 400 $ 600  
2024 Convertible Notes | Tranche Convertible Notes | Convertible Bridge Loan Warrants                          
Debt Instrument [Line Items]                          
Warrants issued (in shares) | shares                     330,000 550,000  
2024 Convertible Notes | Tranche Convertible Notes | Convertible Bridge Loan Consideration Shares                          
Debt Instrument [Line Items]                          
Warrants issued (in shares) | shares                     250,000 416,667  
2024 Convertible Notes | Unsecured Debt and Tranche Debt                          
Debt Instrument [Line Items]                          
Repayments for the three months ended September 30, 2024         $ 200                
2024 Convertible Notes, Tranche Rights, May 7 | Tranche Convertible Notes                          
Debt Instrument [Line Items]                          
Debt instrument, number of equity instruments | debt_instrument         0   4            
Number of equity instruments, exercised | debt_instrument         2   2            
2024 Convertible Notes, Tranche Rights, May 9 | Tranche Convertible Notes                          
Debt Instrument [Line Items]                          
Debt instrument, number of equity instruments | debt_instrument         0                
Number of equity instruments, exercised | debt_instrument         1   1