XML 53 R41.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Term Loans (Details)
 3 Months Ended 12 Months Ended
Dec. 04, 2023
USD ($)
$ / shares
Sep. 23, 2022
USD ($)
$ / shares
Aug. 19, 2022
USD ($)
$ / shares
Mar. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Aug. 01, 2022
USD ($)
Term Loans [Line Items]              
Debt discount       $ (268,000) $ (288,000)    
Petrichor Financing | Securities Purchase Agreements | Convertible Note Borrowings              
Term Loans [Line Items]              
Commitment fee percentage       2.00%      
Common shares available through issuance of warrants | shares       110,996      
Exercise price of warrants issued | $ / shares       $ 8.11      
Debt issuance costs           $ 175,000  
Fair value warrants           $ 441,000  
Cash interest accrual rate over Prime       11.00% 4.50%    
Accrual rate, PIK interest       3.50%      
Accrued Paid-in-Kind Interest       $ 1,600,000      
Petrichor Financing | Securities Purchase Agreements | Convertible Note Borrowings | Maximum              
Term Loans [Line Items]              
Maximum borrowing capacity             $ 45,000,000
Petrichor Financing | Securities Purchase Agreements | First Closing Note              
Term Loans [Line Items]              
Borrowings, face amount     $ 5,000,000        
Initial conversion price | $ / shares     $ 8.11        
Premium over 5-day VWAP     20.00%        
VWAP term     5 days        
Debt discount     $ (314,000)        
Petrichor Financing | Securities Purchase Agreements | Second Closing Note              
Term Loans [Line Items]              
Borrowings, face amount   $ 20,000,000          
Initial conversion price | $ / shares   $ 7.89          
Premium over 5-day VWAP   20.00%          
VWAP term   5 days          
Petrichor Financing | Securities Purchase Agreements | Third Closing Note              
Term Loans [Line Items]              
Borrowings, face amount $ 5,000,000            
Initial conversion price | $ / shares $ 7.89            
Premium over 5-day VWAP 20.00%            
VWAP term 5 days            
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes              
Term Loans [Line Items]              
Initial conversion price | $ / shares   $ 7.89   $ 7.89      
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes | Minimum              
Term Loans [Line Items]              
Borrowings, face amount       $ 10,000,000      
Number of loan tranches for remaining borrowing capacity   1   1      
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes | Maximum              
Term Loans [Line Items]              
Maximum borrowing capacity   $ 10,000,000          
Remaining borrowing capacity   $ 20,000,000   $ 20,000,000      
Petrichor Financing | Securities Purchase Agreements | First Closing Warrant              
Term Loans [Line Items]              
Commitment fees payable in warrants       50.00%      
Common shares available through issuance of warrants | shares       110,996      
Exercise price of warrants issued | $ / shares       $ 8.11      
Exercise term of warrants       5 years      
Petrichor Financing | Securities Purchase Agreements | Second Closing Warrant              
Term Loans [Line Items]              
Commitment fees payable in warrants       50.00%      
Commitment fees payable in cash or warrants       50.00%      
Petrichor Financing | SPA First Amendment | Subsequent Closing Notes              
Term Loans [Line Items]              
Remaining borrowing capacity $ 15,000,000            
Initial conversion price | $ / shares $ 7.89     $ 7.89      
Petrichor Financing | SPA First Amendment | Subsequent Closing Notes | Maximum              
Term Loans [Line Items]              
Remaining borrowing capacity       $ 15,000,000      
Bridge Bank | Bridge Bank Term Loan              
Term Loans [Line Items]              
Repayment of term loan     $ 5,000,000