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Related-party Transactions (Details) | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 31, 2012 USD ($) | Aug. 31, 2011 USD ($) | Aug. 31, 2012 USD ($) | Aug. 31, 2011 USD ($) | Jul. 31, 2012 China SemiLEDs USD ($) | Jul. 31, 2012 China SemiLEDs CNY | Sep. 30, 2011 China SemiLEDs USD ($) | Aug. 31, 2012 China SemiLEDs USD ($) | Aug. 31, 2011 China SemiLEDs USD ($)
Related-Party Transactions |  |  |  |  |  |  |  |  |
Sales of goods |  |  |  |  |  |  |  | $ 148,000 | $ 611,000
Rendering of services |  |  |  |  |  |  |  | 260,000 | 308,000
Gain on disposal of patents |  |  | 51,000 | 17,000 |  |  |  | 51,000 | 17,000
Consideration received from sale of equipment |  |  |  |  |  |  | 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 |  |  |
Charge to bad debt expense | 1,400,000 | 1,100,000 |  |  |  |  |  | 1,405,000 |
Amount due from related party recorded as accounts receivable | 157,000 | 825,000 | 157,000 | 825,000 |  |  |  | 118,000 | 780,000
Amounts due to related party recorded in other current liabilities |  |  |  |  |  |  |  | $ 65,000 | $ 5,000

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- Definition Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 1 -Article 4 + Details
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