Unaudited Condensed Consolidated Statement of Changes in Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Total SemiLEDs Shareholders' Equity	Non-Controlling Interests
BALANCE at Aug. 31, 2021	$ 4,626		$ 182,255	$ 3,543	$ (181,211)	$ 4,587	$ 39
BALANCE (in shares) at Aug. 31, 2021		4,460
Stock-based compensation	43		43			43
Comprehensive income (loss):
Other comprehensive income (loss)	8					9	(1)
Net loss	(525)			9	(518)	(518)	(7)
BALANCE at Nov. 30, 2021	4,152		182,298	3,552	(181,729)	4,121	31
BALANCE (in shares) at Nov. 30, 2021		4,460
BALANCE at Aug. 31, 2021	4,626		182,255	3,543	(181,211)	4,587	39
BALANCE (in shares) at Aug. 31, 2021		4,460
Comprehensive income (loss):
Other comprehensive income (loss)	34
Net loss	(677)
BALANCE at Feb. 28, 2022	4,180		182,452	3,578	(181,901)	4,129	51
BALANCE (in shares) at Feb. 28, 2022		4,514
BALANCE at Nov. 30, 2021	4,152		182,298	3,552	(181,729)	4,121	31
BALANCE (in shares) at Nov. 30, 2021		4,460
Issuance of common stock under equity incentive plans (in shares)		54
Stock-based compensation	154		154			154
Comprehensive income (loss):
Other comprehensive income (loss)	26			26		26
Net loss	(152)				(172)	(172)	20
BALANCE at Feb. 28, 2022	4,180		182,452	3,578	(181,901)	4,129	51
BALANCE (in shares) at Feb. 28, 2022		4,514
BALANCE at Aug. 31, 2022	3,498		183,711	3,697	(183,955)	3,453	45
BALANCE (in shares) at Aug. 31, 2022		4,832
Stock-based compensation	125		125			125
Stock-based compensation (in shares)		16
Comprehensive income (loss):
Other comprehensive income (loss)	(55)			(55)		(55)
Net loss	(509)				(512)	(512)	3
BALANCE at Nov. 30, 2022	3,059		183,836	3,642	(184,467)	3,011	48
BALANCE (in shares) at Nov. 30, 2022		4,848
BALANCE at Aug. 31, 2022	3,498		183,711	3,697	(183,955)	3,453	45
BALANCE (in shares) at Aug. 31, 2022		4,832
Comprehensive income (loss):
Other comprehensive income (loss)	(6)
Net loss	(1,054)
BALANCE at Feb. 28, 2023	2,678		183,951	3,691	(185,008)	2,634	44
BALANCE (in shares) at Feb. 28, 2023		4,892
BALANCE at Nov. 30, 2022	3,059		183,836	3,642	(184,467)	3,011	48
BALANCE (in shares) at Nov. 30, 2022		4,848
Stock-based compensation	115		115			115
Stock-based compensation (in shares)		44
Comprehensive income (loss):
Other comprehensive income (loss)	49			49		49
Net loss	(545)				(541)	(541)	(4)
BALANCE at Feb. 28, 2023	$ 2,678		$ 183,951	$ 3,691	$ (185,008)	$ 2,634	$ 44
BALANCE (in shares) at Feb. 28, 2023		4,892