Income Taxes (Summary of Provision (Benefit) for Income Taxes) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Federal	$ (1,388,000)	$ 204,000	$ 314,000
State	19,000	20,000
Current	(1,369,000)	224,000	314,000
Federal	(9,763,000)	(13,240,000)	390,000
State	(2,349,000)	277,000	(15,000)
Deferred	(12,112,000)	(12,963,000)	375,000
Provision (benefit) for income taxes	$ (13,481,000)	$ (12,739,000)	$ 689,000