Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Income Statement [Abstract]
Revenues, net	$ 886	$ 1,152	$ 2,536	$ 2,847
Cost of revenues	774	890	2,179	2,122
Gross profit	112	262	357	725
Operating expenses:
Research and development	251	295	623	660
Selling, general and administrative	693	669	1,435	1,421
Gain on disposals of long-lived assets, net			(50)
Total operating expenses	944	964	2,008	2,081
Loss from operations	(832)	(702)	(1,651)	(1,356)
Other income (expenses):
Investment income (loss) from unconsolidated entities	(5)		3
Interest expenses, net	(65)	(65)	(153)	(152)
Other income, net	377	229	636	471
Foreign currency transaction gain (loss), net	(32)	(7)	12	(17)
Total other income, net	275	157	498	302
Loss before income taxes	(557)	(545)	(1,153)	(1,054)
Net loss	(557)	(545)	(1,153)	(1,054)
Less: Net income (loss) attributable to noncontrolling interests	2	(4)	4	(1)
Net loss attributable to SemiLEDs stockholders	$ (559)	$ (541)	$ (1,157)	$ (1,053)
Net loss per share attributable to SemiLEDs stockholders:
Basic	$ (0.11)	$ (0.11)	$ (0.24)	$ (0.22)
Diluted	$ (0.11)	$ (0.11)	$ (0.24)	$ (0.22)
Shares used in computing net loss per share attributable to SemiLEDs stockholders:
Basic	4,905	4,866	4,907	4,841
Diluted	4,905	4,866	4,907	4,841