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Income Taxes - Schedule of Reconciliation (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]    
Income tax (benefit) at the statutory federal income tax rate $ (10,280,000) $ (28,924,000)
State and local taxes (2,228,000) (12,148,000)
Valuation allowance 7,107,000 34,544,000
Foreign tax rate differential   102,000
Nondeductible loss on stock 1,111,000 1,126,000
Share-based compensation 1,085,000 547,000
Expiring NOLs   1,109,000
Other 87,000 3,644,000
Total income tax expense (benefit) $ 0 $ 0
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Income tax (benefit) at the statutory federal income tax rate 21.00% 21.00%
State and local taxes 4.60% 8.80%
Valuation allowance (14.50%) (25.10%)
Foreign tax rate differential   (0.10%)
Nondeductible loss on stock (2.30%) (0.80%)
Share-based compensation (2.20%) (0.40%)
Expiring NOLs   (0.80%)
Other (0.20%) (2.60%)
Total income tax expense (benefit) 0.00% 0.00%
State and local    
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]    
Valuation allowance $ 2,228,000  
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Valuation allowance (4.60%)  
Netherlands    
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]    
Valuation allowance $ 974,000  
Foreign tax rate differential $ (181,000)  
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Valuation allowance (2.00%)  
Foreign tax rate differential 0.40%  
Other foreign jurisdictions    
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]    
Foreign tax rate differential $ 97,000  
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Foreign tax rate differential (0.20%)