Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 30, 2017	Nov. 30, 2016
Income Statement [Abstract]
Revenues, net	$ 2,003	$ 2,702
Cost of revenues	1,951	2,586
Gross profit	52	116
Operating expenses:
Research and development	184	199
Selling, general and administrative	733	1,100
Gain on disposals of long-lived assets		(80)
Total operating expenses	917	1,219
Loss from operations	(865)	(1,103)
Other income (expenses):
Equity in loss from unconsolidated entities		(9)
Interest expenses, net	(8)	(9)
Other income, net	498	476
Foreign currency transaction loss, net	(17)	(51)
Total other income (expenses), net	473	407
Loss before income taxes	(392)	(696)
Net loss	(392)	(696)
Less: Net loss attributable to noncontrolling interests		(6)
Net loss attributable to SemiLEDs stockholders	$ (392)	$ (690)
Net loss per share attributable to SemiLEDs stockholders:
Basic and diluted	$ (0.11)	$ (0.20)
Shares used in computing net loss per share attributable to SemiLEDs stockholders:
Basic and diluted	3,544	3,518