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Related-Party Transactions (Details) | 3 Months Ended |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 30, 2012 USD ($) | Nov. 30, 2011 USD ($) | Aug. 31, 2012 USD ($) | Jul. 31, 2012 China SemiLEDs USD ($) | Jul. 31, 2012 China SemiLEDs CNY | Sep. 30, 2011 China SemiLEDs USD ($) | Mar. 31, 2011 China SemiLEDs item | Nov. 30, 2012 China SemiLEDs USD ($) | Nov. 30, 2011 China SemiLEDs USD ($) | Aug. 31, 2012 China SemiLEDs USD ($)
Related-Party Transactions |  |  |  |  |  |  |  |  |  |
Sales of goods |  |  |  |  |  |  |  | $ 11,000 | $ 26,000 |
Rendering of services |  |  |  |  |  |  |  |  | 240,000 |
Purchase of goods |  |  |  |  |  |  |  | 20,000 |  |
Gain on disposal of patents | 13,000 | 13,000 |  |  |  |  |  | 13,000 | 13,000 |
Number of patents assigned to related party |  |  |  |  |  |  | 13 |  |  |
Consideration received from sale of equipment |  |  |  |  |  | 244,000 |  |  |  |
Amount due from related party |  |  |  |  |  |  |  | 244,000 |  |
Aggregate principal amount |  |  |  | 200,000 | 1,400,000 |  |  |  |  |
Term of each borrowing |  |  |  | 3 months | 3 months |  |  |  |  |
Variable rate basis |  |  |  | three-month lending rate published by the People's Bank of China | three-month lending rate published by the People's Bank of China |  |  |  |  |
Multiplier applied to the variable rate basis |  |  |  | 1.1 | 1.1 |  |  |  |  |
Outstanding balances of lines of credit |  |  |  |  |  |  |  | 200,000 |  | 200,000
Allowance for doubtful accounts | 1,285,000 |  | 577,000 |  |  |  |  | 1,416,000 |  | 1,405,000
Accounts and notes receivable from related parties, net of allowance for doubtful accounts of $1,416 and $1,405 as of November 30, 2012 and August 31, 2012, respectively | 18,000 |  | 157,000 |  |  |  |  |  |  | 118,000
Other current liabilities |  |  |  |  |  |  |  |  |  | $ 65,000

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