Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Income Statement [Abstract]
Revenues, net	$ 1,152	$ 2,176	$ 2,847	$ 3,641
Cost of revenues	890	1,653	2,122	2,915
Gross profit	262	523	725	726
Operating expenses:
Research and development	295	295	660	699
Selling, general and administrative	669	746	1,421	1,523
Gain on disposals of long-lived assets, net		(139)		(139)
Total operating expenses	964	902	2,081	2,083
Loss from operations	(702)	(379)	(1,356)	(1,357)
Other income (expenses):
Interest expenses, net	(65)	(92)	(152)	(183)
Other income, net	229	385	471	951
Foreign currency transaction gain (loss), net	(7)	(66)	(17)	(88)
Total other income (expenses), net	157	227	302	680
Loss before income taxes	(545)	(152)	(1,054)	(677)
Net loss	(545)	(152)	(1,054)	(677)
Less: Net (loss) income attributable to noncontrolling interests	(4)	20	(1)	13
Net loss attributable to SemiLEDs stockholders	$ (541)	$ (172)	$ (1,053)	$ (690)
Net loss per share attributable to SemiLEDs stockholders:
Basic	$ (0.11)	$ (0.04)	$ (0.22)	$ (0.15)
Diluted	$ (0.11)	$ (0.04)	$ (0.22)	$ (0.15)
Shares used in computing net loss per share attributable to SemiLEDs stockholders:
Basic	4,866	4,490	4,841	4,475
Diluted	4,866	4,490	4,841	4,475