Product and Geographic Information - Revenues by Products (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Revenues by products
Revenues	$ 7,051	$ 4,735
LED chips
Revenues by products
Revenues	166	171
LED components
Revenues by products
Revenues	4,872	3,259
Lighting products
Revenues by products
Revenues	533	730
Other
Revenues by products
Revenues	$ 1,480	$ 575