Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Aug. 31, 2022	Aug. 31, 2021
Income Statement [Abstract]
Revenues, net	$ 7,051	$ 4,735
Cost of revenues	5,654	3,702
Gross profit	1,397	1,033
Operating expenses:
Research and development	1,484	1,623
Selling, general and administrative	3,309	3,614
Gain on disposals of long-lived assets, net	(196)	(286)
Total operating expenses	4,597	4,951
Loss from operations	(3,200)	(3,918)
Other income (expenses):
Interest expenses, net	(369)	(371)
Other income, net	1,485	1,090
Foreign currency transaction (loss) gain, net	(642)	342
Total other income, net	474	1,061
Loss before income taxes	(2,726)	(2,857)
Net loss	(2,726)	(2,857)
Less: Net income (loss) attributable to noncontrolling interests	18	(6)
Net loss attributable to SemiLEDs stockholders	$ (2,744)	$ (2,851)
Net loss per share attributable to SemiLEDs stockholders:
Basic	$ (0.61)	$ (0.68)
Diluted	$ (0.61)	$ (0.68)
Shares used in computing net loss per share attributable to SemiLEDs stockholders:
Basic	4,522	4,180
Diluted	4,522	4,180