Preferred Stock (Details) - $ / shares	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Stock
Preferred stock, shares authorized	7,300,000	7,300,000
Preferred stock, shares issued	0	0
Preferred stock shares outstanding	0	0
Preferred stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Maximum
Stock
Preferred stock, shares authorized	10,000,000
Series A convertible preferred stock
Stock
Convertible preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock dividend rate (as a percent)	10.00%
Series A-1 convertible preferred stock
Stock
Convertible preferred stock, shares authorized	200,000	200,000
Preferred stock dividend rate (as a percent)	10.00%
Series B convertible preferred stock
Stock
Preferred stock, shares authorized	1,500,000	1,500,000
Preferred stock, shares issued	0	0
Preferred stock shares outstanding	0	0
Preferred stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Number of common stock shares the preferred stock could be converted to	2,112,676
Series B convertible preferred stock | Beneficial Holder
Stock
Maximum ownership in order to convert to common stock (as a percentage)	9.99%
Series B convertible preferred stock | Beneficial Holder During First Six-Months
Stock
Maximum ownership in order to convert to common stock (as a percentage)	7.50%