Fair Value Measurement (Narrative) (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible promissory notes maturity terms	which were amended post maturity, which were assumed to be 100%. The probability of default was determined in reference to a 1-year PD rate for a 'CCC+' rating at issuance, and a combination of 'CC' and 'CCC' credit ratings at September 30, 2024 and December 31, 2023.
Probability of default [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible promissory notes, measurement input	75.00%	75.00%
Expected volatility [Member] | Minimum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible promissory notes, measurement input	120.30%	162.40%
Expected volatility [Member] | Maximum [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible promissory notes, measurement input	313.00%	164.80%
Credit spread [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Convertible promissory notes, measurement input	22.28%	22.95%
Premium percentage added to credit spread	10.00%	10.00%