Commitments and Contingent Liabilities - Additional Information (Detail)	3 Months Ended
	Feb. 03, 2018 USD ($)
Commitments And Contingencies [Line Items]
Percentage of joint venture loan guaranteed by company	50.00%
Guarantee obligations note payable principal amount	$ 5,000,000
Guarantee obligations principal balance of pool of loans percentage	80.00%
Percentage of collateral value for pool of loan securing note	100.00%
Guarantee obligations outstanding note payable principal amount	$ 441,904
Collateral value for pool of loan securing note payable by joint venture	$ 1,410,771
Majestic 21 [Member]
Commitments And Contingencies [Line Items]
Percentage of ownership interest	50.00%