Share-based Compensation (Weighted Average Assumptions for Options Granted) (Details) - Stock Option [Member] - $ / shares	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected Volatility	101.37%	84.53%
Expected Dividend Yield	0.00%	0.00%
Risk-free Interest Rate	3.92%	2.17%
Expected Term (in years)	6 years	6 years
Fair Value of Options Granted	$ 5.55	$ 7.10