Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Income Statement [Abstract]
Revenues, net	$ 1,784	$ 1,439	$ 5,425	$ 3,364
Cost of revenues	1,448	775	4,363	2,481
Gross profit	336	664	1,062	883
Operating expenses:
Research and development	357	528	1,056	1,162
Selling, general and administrative	810	730	2,333	2,078
Gain on disposals of long-lived assets, net	(57)	(2)	(196)	(286)
Total operating expenses	1,110	1,256	3,193	2,954
Loss from operations	(774)	(592)	(2,131)	(2,071)
Other income (expenses):
Interest expenses, net	(94)	(94)	(277)	(278)
Other income, net	264	474	1,215	951
Foreign currency transaction gain (loss), net	(307)	155	(395)	380
Total other income (expenses), net	(137)	535	543	1,053
Loss before income taxes	(911)	(57)	(1,588)	(1,018)
Net loss	(911)	(57)	(1,588)	(1,018)
Less: Net income (loss) attributable to noncontrolling interests	5	7	18	(2)
Net loss attributable to SemiLEDs stockholders	$ (916)	$ (64)	$ (1,606)	$ (1,016)
Net loss per share attributable to SemiLEDs stockholders:
Basic	$ (0.20)	$ (0.02)	$ (0.36)	$ (0.25)
Diluted	$ (0.20)	$ (0.02)	$ (0.36)	$ (0.25)
Shares used in computing net loss per share attributable to SemiLEDs stockholders:
Basic	4,517	4,060	4,488	4,036
Diluted	4,517	4,060	4,488	4,036