Stock-based Compensation (Details)				1 Months Ended			12 Months Ended
Stock-based Compensation (Details)	Mar. 17, 2023	Sep. 25, 2020 shares	Jul. 31, 2019 shares	Jul. 31, 2025 $ / shares shares	Nov. 30, 2024 $ / shares shares	Apr. 30, 2014 shares	Aug. 31, 2025 USD ($) Item $ / shares shares	Aug. 31, 2024 USD ($) $ / shares shares
Stock-based Compensation
Number of share-based compensation plans \| Item							1
Additional number of shares authorized for issuance		400,000	500,000			250,000
Amendment of the 2010 Plan to extend the term	Mar. 17, 2033
Plan expiration date			Nov. 03, 2023
Maximum grant limit per employee per one year period			35,000
Shares of common stock reserved for issuance							1,421,000	1,421,000
Common stock available for future issuance (in shares)							444,000	544,000
Stock-based compensation expense \| $							$ 92,000	$ 282,000
Share-based Compensation, Forfeiture Method [Fixed List]							Estimating expected forfeitures	Estimating expected forfeitures
Stock-based compensation tax benefit recognized \| $							$ 0	$ 0
Stock options, granted							0	0
Stock options, forfeited							0	0
Stock options, exercised							0	0
Unrecognized compensation cost related to unvested stock options \| $							$ 0	$ 0
Unvested stock options							0	0
Cost of revenues
Stock-based Compensation
Stock-based compensation expense \| $							$ 20,000	$ 86,000
Research and development
Stock-based Compensation
Stock-based compensation expense \| $							21,000	88,000
Selling, general and administrative
Stock-based Compensation
Stock-based compensation expense \| $							$ 51,000	$ 108,000
Restricted Stock Units (RSUs)
Stock-based Compensation
Stock units granted (in shares)							111,000	0
Grant-date fair value (in dollars per share) \| $ / shares							$ 2.60	$ 0
Directors \| Restricted Stock Units (RSUs)
Stock-based Compensation
Stock units granted (in shares)					15,000
Vesting percentage					25.00%
Grant-date fair value (in dollars per share) \| $ / shares					$ 1.28
Employees \| Restricted Stock Units (RSUs)
Stock-based Compensation
Stock units granted (in shares)				96,000
Vesting percentage				12.50%
Grant-date fair value (in dollars per share) \| $ / shares				$ 2.81

SemiLEDs Corp 10-K