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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Aug. 31, 2016
Schedule of cash and cash equivalents by location | As of August 31, 2016 and 2015, cash and cash equivalents of the Company consisted of the following (in thousands):
|  | August 31, |
Cash and Cash Equivalents by Location |  | 2016 |  | 2015 |
United States; |  |  |  |  |  |  |
Denominated in U.S. dollars |  | $ | 945 |  | $ | 887 |
Taiwan; |  |  |  |  |  |  |
Denominated in U.S. dollars |  |  | 3,580 |  |  | 1,716 |
Denominated in New Taiwan dollars |  |  | 738 |  |  | 1,067 |
Denominated in other currencies |  |  | 481 |  |  | 344 |
China (including Hong Kong); |  |  |  |  |  |  |
Denominated in U.S. dollars |  |  | 8 |  |  | 262 |
Denominated in Renminbi |  |  | 277 |  |  | 531 |
Denominated in H.K. dollars |  |  | 1 |  |  | 1 |
Total cash and cash equivalents |  | $ | 6,030 |  | $ | 4,808 |
Schedule of cash and cash equivalents | As of August 31, 2016 and 2015, cash and cash equivalents of the Company consist of the following (in thousands):
|  | August 31, |
Cash and Cash Equivalents |  | 2016 |  | 2015 |
Cash; |  |  |  |  |  |  |
Cash and demand deposits |  | $ | 6,013 |  | $ | 4,790 |
Cash equivalents; |  |  |  |  |  |  |
Money market funds |  |  | 17 |  |  | 18 |
Total cash and cash equivalents |  | $ | 6,030 |  | $ | 4,808 |
Schedule of estimated useful lives of property, plant and equipment |
Buildings and improvements |  | 5 to 20 | years
Machinery and equipment |  | 1 to 10 | years
Leasehold improvements |  | 2 to 15 | years
Other equipment |  | 2 to 6 | years
Schedule of estimated useful lives of finite-lived intangible assets |
Patents and trademarks |  | 5 to 25 | years
Acquired technology |  | 4 to 5 | years
Schedule of effect of transactions with noncontrolling interests on equity attributable to stockholders | Transactions with noncontrolling interests had the following effect on equity attributable to SemiLEDs stockholders (in thousands):
|  | Years Ended |
|  | August 31, 2015 |
Net loss attributable to SemiLEDs stockholders |  | $ | (13,274) |
Transfers to noncontrolling interests: |  |  |  |
Decrease in SemiLEDs additional paid in capital for purchase of common shares in Ning Xiang |  |  | (125) |
Change from net loss attributable to SemiLEDs stockholders and transfer to noncontrolling interests |  | $ | (13,399) |
Accounts receivable | Customer concentration |
Schedule of customers accounting for 10% or more |
|  | August 31, |
Customers |  | 2016 |  | 2015 |
Customer A |  | 37 | % | 35 | %
Customer B |  | 24 | % | 9 | %
Revenues | Customer concentration |
Schedule of customers accounting for 10% or more | The customers accounted for 10% or more of the Company’s total net revenues for the years ended August 31, 2016 and 2015, as follows (in thousands, except percentages):
|  | Years Ended August 31, |
|  | 2016 |  | 2015 |
|  |  |  |  | % of |  |  |  |  | % of |
Customers |  | Amount |  | Revenues |  | Amount |  | Revenues |
Customer A |  | $ | 2,334 |  | 23 | % | $ | 2,923 |  | 21 | %
Customer B |  |  | 1,100 |  | 11 | % |  | 749 |  | 5 | %
Customer C |  |  | — |  | — |  |  | 1,544 |  | 11 | %

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