Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Income Taxes
Income tax expense (benefit)	$ 2,000	$ 46,000	$ 109,000
Franchise tax expense	500,000	300,000	$ 200,000
Federal Operating Loss Carryforwards	368,700,000
State Operating Loss Carryforwards	518,600,000
Tax Credits State	11,700,000
Unrecognized Tax Benefits	0	0
Unrecognized tax benefits, provision for interest or penalties	$ 0	$ 0