Commitments and Contingencies - Additional Information (Details) - USD ($)	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Operating Leases, Rent Expense	$ 2,557,000	$ 2,024,000
Lease Expiration Date	Sep. 30, 2022
Minimum [Member]
Monthly Operating Lease Rental Payment	$ 1,000
Maximum [Member]
Monthly Operating Lease Rental Payment	$ 67,000