Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2013	Feb. 29, 2012
Condensed Consolidated Statements of Operations
Revenues, net	$ 4,830	$ 7,905	$ 11,057	$ 14,652
Cost of revenues	8,183	8,627	17,698	16,196
Gross loss	(3,353)	(722)	(6,641)	(1,544)
Operating expenses:
Research and development	1,034	2,023	2,257	3,712
Selling, general and administrative	2,620	3,045	6,283	6,950
Total operating expenses	3,654	5,068	8,540	10,662
Loss from operations	(7,007)	(5,790)	(15,181)	(12,206)
Other income (expenses):
Equity in losses from unconsolidated entities, net	(23)	(1,176)	(98)	(2,702)
Interest income, net	29	12	34	16
Other income, net	54	47	106	95
Foreign currency transaction gain (loss), net	766	(407)	(160)	(348)
Total other income (expenses), net	826	(1,524)	(118)	(2,939)
Loss before income taxes	(6,181)	(7,314)	(15,299)	(15,145)
Income tax expense	3		3
Net loss	(6,184)	(7,314)	(15,302)	(15,145)
Less: Net loss attributable to noncontrolling interests	(193)	(200)	(388)	(310)
Net loss attributable to SemiLEDs stockholders	(5,991)	(7,114)	(14,914)	(14,835)
Net loss attributable to SemiLEDs common stockholders:
Basic	(5,991)	(7,114)	(14,914)	(14,835)
Diluted	$ (5,991)	$ (7,114)	$ (14,914)	$ (14,835)
Net loss per share attributable to SemiLEDs common stockholders:
Basic (in dollars per share)	$ (0.22)	$ (0.26)	$ (0.54)	$ (0.54)
Diluted (in dollars per share)	$ (0.22)	$ (0.26)	$ (0.54)	$ (0.54)
Shares used in computing net loss per share attributable to SemiLEDs common stockholders:
Basic (in shares)	27,531	27,383	27,513	27,343
Diluted (in shares)	27,531	27,383	27,513	27,343