Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Income Statement [Abstract]
Revenues, net	$ 2,111	$ 2,378	$ 6,643	$ 8,257
Cost of revenues	2,297	3,828	6,706	11,946
Gross loss	(186)	(1,450)	(63)	(3,689)
Operating expenses:
Research and development	257	394	651	1,617
Selling, general and administrative	879	1,267	2,920	3,557
Employee termination benefits		59		207
Gain on disposals of long-lived assets, net	(33)	(29)	(113)	(27)
Total operating expenses	1,103	1,691	3,458	5,354
Loss from operations	(1,289)	(3,141)	(3,521)	(9,043)
Other income (expenses):
Impairment loss on investment	(352)		(352)
Equity in loss from unconsolidated entities, net		(79)	(11)	(79)
Interest expenses, net	(9)	(13)	(26)	(42)
Other income, net	29	48	525	101
Foreign currency transaction gain (loss), net	35	(78)	(46)	(60)
Total other income (expenses), net	(297)	(122)	90	(80)
Loss before income taxes	(1,586)	(3,263)	(3,431)	(9,123)
Net loss	(1,586)	(3,263)	(3,431)	(9,123)
Less: Net loss attributable to noncontrolling interests		(10)	(13)	(19)
Net loss attributable to SemiLEDs stockholders	$ (1,586)	$ (3,253)	$ (3,418)	$ (9,104)
Net loss per share attributable to SemiLEDs stockholders:
Basic and diluted	$ (0.45)	$ (1.11)	$ (0.97)	$ (3.12)
Shares used in computing net loss per share attributable to SemiLEDs stockholders:
Basic and diluted	3,544	2,932	3,544	2,916