Property, Equipment and Leasehold Improvements - Additional Information (Details)	1 Months Ended		12 Months Ended
	Sep. 30, 2019 USD ($) ft²	May 19, 2017 USD ($)	Aug. 31, 2020 USD ($)	Aug. 31, 2019 USD ($)
Payments to Acquire Property, Plant, and Equipment			$ 6,705,000	$ 1,772,000
Proceeds from sale of property	$ 7,075,000		7,075,000
Repayments of lines of credit			5,400,000
Area of office and warehouse space | ft²	80,000
Depreciation and amortization expense			1,224,000	1,047,000
Construction Loan Payable
Line of Credit Facility, Maximum Borrowing Capacity	$ 5,000,000
Lakeview Property
Payments to Acquire Property, Plant, and Equipment		$ 7,200,000
Proceeds from sale of property	$ 7,075,000
Equipment and Leasehold Improvements
Depreciation and amortization expense			$ 1,224,000	$ 1,047,000