Related Party Transactions (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
	Nov. 21, 2017	Aug. 31, 2018	Aug. 31, 2017
Related Party Transaction [Line Items]
Operating Leases, Rent Expense		$ 2,024,000	$ 2,202,000
Operating Leases, Rent Expense, Minimum Rentals	$ 22,600
Operating Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate	2.50%
Related Party Transaction, Description of Transaction		Within the next two years, the Company plans to relocate its corporate headquarters and Anaheim distribution center to an 80,000 square foot facility in Anaheim, California that is owned by the Trust.
Operating Leases Term		10 years
Related Party [Member]
Related Party Transaction [Line Items]
Operating Leases, Rent Expense		$ 271,000	$ 492,000