Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (911)	$ (57)	$ (1,588)	$ (1,018)
Other comprehensive loss, net of tax:
Foreign currency translation adjustments, net of tax of $0 for all periods presented	115	(41)	149	(101)
Comprehensive loss	(796)	(98)	(1,439)	(1,119)
Comprehensive income (loss) attributable to noncontrolling interests	4	8	16	1
Comprehensive loss attributable to SemiLEDs stockholders	$ (800)	$ (106)	$ (1,455)	$ (1,120)