Equity Incentive Plans (Assumptions Used in the Black-Scholes Model) (Details) - Common Stock Options [Member]	Sep. 30, 2022 USD ($)	Sep. 30, 2021
Measurement Input, Expected Dividend Rate [Member]
Fair value input, equity securities	0	0
Minimum [Member] | Measurement Input, Risk Free Interest Rate [Member]
Fair value input, equity securities	2.65	0.73
Minimum [Member] | Measurement Input, Price Volatility [Member]
Fair value input, equity securities	81.81
Minimum [Member] | Measurement Input, Expected Term [Member]
Fair value input, equity securities	5.50	5.50
Maximum [Member] | Measurement Input, Risk Free Interest Rate [Member]
Fair value input, equity securities	3.52	1.29
Maximum [Member] | Measurement Input, Price Volatility [Member]
Fair value input, equity securities	85.67
Maximum [Member] | Measurement Input, Expected Term [Member]
Fair value input, equity securities	7.00	7.00