SIGNIFICANT ACCOUNTING POLICIES - Schedule of Earnings Per Share (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Numerator:
Net income attributable to common shareholders	$ 4,087	$ 3,787	$ 11,522	$ 9,477
Denominator:
Weighted average number of common shares outstanding during the period (in shares)	20,212	20,105	20,180	20,014
Dilutive effect of stock options (in shares)	556	697	551	736
Common stock and common stock equivalents used for diluted earnings per share (in shares)	20,768	20,802	20,731	20,750