v3.24.4
Intangible Assets - Schedule of Future Estimated Amortization Expense (Q3) (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Remainder of 2024 $ 13    
2025 52 $ 58  
2026 52 58  
2027 52 58  
2028 44 58  
Thereafter 52    
Net Value $ 265 $ 341 $ 337