Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measures and Disclosures - Assets and Liabilities Measured on Recurring Basis (Details)

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Fair Value Measures and Disclosures - Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
Sep. 30, 2024
Dec. 31, 2023
Assets    
Money market funds $ 1,347,000 $ 3,422,000
Fair Value 0 6,621,000
Assets, Fair Value Disclosure 1,347,000 10,043,000
Liabilities    
Contingent earnout liabilities 11,000 1,456,000
Total financial liabilities 2,361,000 13,291,000
Corporate bonds    
Assets    
Fair Value   6,621,000
Public    
Liabilities    
Warrant liabilities   258,000
Private Placement    
Liabilities    
Warrant liabilities   127,000
2022 Private Placement Warrants [Member]    
Liabilities    
Warrant liabilities 1,000 23,000
2023 Private Placement Warrants A    
Liabilities    
Warrant liabilities 102,000 10,891,000
2023 Private Placement Warrants B    
Liabilities    
Warrant liabilities 18,000 536,000
2024 Private Warrants    
Liabilities    
Warrant liabilities 418,000  
BEPO Warrants    
Liabilities    
Warrant liabilities 20,000  
BEPO Agent Warrants    
Liabilities    
Warrant liabilities 21,000  
July 2024 Private Warrants    
Liabilities    
Warrant liabilities 910,000  
August Inducement Warrants    
Liabilities    
Warrant liabilities 860,000  
Level 1    
Assets    
Money market funds 1,347,000 3,422,000
Assets, Fair Value Disclosure 1,347,000 3,422,000
Liabilities    
Contingent earnout liabilities 0 0
Total financial liabilities 0 258,000
Level 1 | Corporate bonds    
Assets    
Fair Value   0
Level 1 | Public    
Liabilities    
Warrant liabilities   258,000
Level 1 | Private Placement    
Liabilities    
Warrant liabilities   0
Level 1 | 2022 Private Placement Warrants [Member]    
Liabilities    
Warrant liabilities 0 0
Level 1 | 2023 Private Placement Warrants A    
Liabilities    
Warrant liabilities 0 0
Level 1 | 2023 Private Placement Warrants B    
Liabilities    
Warrant liabilities 0 0
Level 1 | 2024 Private Warrants    
Liabilities    
Warrant liabilities 0  
Level 1 | BEPO Warrants    
Liabilities    
Warrant liabilities 0  
Level 1 | BEPO Agent Warrants    
Liabilities    
Warrant liabilities 0  
Level 1 | July 2024 Private Warrants    
Liabilities    
Warrant liabilities 0  
Level 1 | August Inducement Warrants    
Liabilities    
Warrant liabilities 0  
Level 2    
Assets    
Money market funds 0 0
Assets, Fair Value Disclosure 0 6,621,000
Liabilities    
Contingent earnout liabilities 0 0
Total financial liabilities 0 0
Level 2 | Corporate bonds    
Assets    
Fair Value   6,621,000
Level 2 | Public    
Liabilities    
Warrant liabilities   0
Level 2 | Private Placement    
Liabilities    
Warrant liabilities   0
Level 2 | 2022 Private Placement Warrants [Member]    
Liabilities    
Warrant liabilities 0 0
Level 2 | 2023 Private Placement Warrants A    
Liabilities    
Warrant liabilities 0 0
Level 2 | 2023 Private Placement Warrants B    
Liabilities    
Warrant liabilities 0 0
Level 2 | 2024 Private Warrants    
Liabilities    
Warrant liabilities 0  
Level 2 | BEPO Warrants    
Liabilities    
Warrant liabilities 0  
Level 2 | BEPO Agent Warrants    
Liabilities    
Warrant liabilities 0  
Level 2 | July 2024 Private Warrants    
Liabilities    
Warrant liabilities 0  
Level 2 | August Inducement Warrants    
Liabilities    
Warrant liabilities 0  
Level 3    
Assets    
Money market funds 0 0
Assets, Fair Value Disclosure 0 0
Liabilities    
Contingent earnout liabilities 11,000 1,456,000
Total financial liabilities 2,361,000 13,033,000
Level 3 | Corporate bonds    
Assets    
Fair Value   0
Level 3 | Public    
Liabilities    
Warrant liabilities   0
Level 3 | Private Placement    
Liabilities    
Warrant liabilities   127,000
Level 3 | 2022 Private Placement Warrants [Member]    
Liabilities    
Warrant liabilities 1,000 23,000
Level 3 | 2023 Private Placement Warrants A    
Liabilities    
Warrant liabilities 102,000 10,891,000
Level 3 | 2023 Private Placement Warrants B    
Liabilities    
Warrant liabilities 18,000 $ 536,000
Level 3 | 2024 Private Warrants    
Liabilities    
Warrant liabilities 418,000  
Level 3 | BEPO Warrants    
Liabilities    
Warrant liabilities 20,000  
Level 3 | BEPO Agent Warrants    
Liabilities    
Warrant liabilities 21,000  
Level 3 | July 2024 Private Warrants    
Liabilities    
Warrant liabilities 910,000  
Level 3 | August Inducement Warrants    
Liabilities    
Warrant liabilities $ 860,000