SIGNIFICANT ACCOUNTING POLICIES - Leases (Detail) - USD ($) $ in Thousands	9 Months Ended
	May 31, 2022	Aug. 31, 2021
Accounting Policies [Abstract]
Right-of-use assets	$ 1,533	$ 1,276
Lease liabilities, current	459	382
Lease liabilities, long-term	1,069	$ 896
Operating lease costs	$ 394
Weighted average remaining lease term	3 years 3 months 18 days
Weighted average discount rate	3.41%