Summary of Significant Accounting Policies - Schedule of Fair Value Inputs (Q3) (Details) |
Sep. 30, 2024 |
Mar. 04, 2024 |
Jan. 12, 2024 |
Dec. 31, 2023 |
|---|---|---|---|---|
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Warrants and rights outstanding, term (in years) | 5 years | 5 years | 5 years | 5 years |
| Warrant term (years) | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Warrants and rights outstanding, term (in years) | 1 year 10 months 13 days | 2 years 7 months 9 days | ||
| Volatility | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Warrants, measurement input | 1.7723 | 1.135 | ||
| Risk-free rate | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Warrants, measurement input | 0.037 | 0.0433 | 0.0402 | 0.0405 |
| Dividend yield | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Warrants, measurement input | 0 | 0 | 0 | 0 |