Inventories (Tables)

12 Months Ended

Aug. 31, 2019

Inventories [Abstract]

Summary of inventories

	As at August 31,
	2019		2018
Raw materials	$	24,115	$	24,561
Work in progress		1,009		869
Finished goods		12,893		13,159
	$	38,017	$	38,589