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Balance Sheet Components (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Aug. 31, 2012 | Aug. 31, 2011 | Aug. 31, 2010
Intangible Assets |  |  |
Gross Carrying Amount | $ 2,089 | $ 2,051 |
Accumulated Amortization | 537 | 198 |
Total | 1,552 | 1,853 |
Amortization expense recognized | 354 | 88 | 37
Estimated amortization expense for intangible assets |  |  |
2013 | 347 |  |
2014 | 329 |  |
2015 | 298 |  |
2016 | 276 |  |
2017 | 31 |  |
Thereafter | 271 |  |
Total | 1,552 | 1,853 |
Accrued Expenses and Other Current Liabilities |  |  |
Accrued compensation and benefits | 2,179 | 2,238 |
Accrued business expenses | 592 | 879 |
Deferred rent | 545 | 563 |
Accrued professional service fees | 325 | 2,098 |
Taxes payable | 286 | 351 |
Customer deposits | 146 | 318 |
Government grants | 77 | 53 |
Other (individually less than 5% of total accrued expenses and other current liabilities) | 819 | 861 |
Total | 4,969 | 7,361 |
Maximum percentage of total accrued expenses and other current liabilities | 5.00% |  |
Patents and trademarks |  |  |
Intangible Assets |  |  |
Weighted Average Amortization Period | 17 years | 17 years |
Gross Carrying Amount | 585 | 500 |
Accumulated Amortization | 146 | 114 |
Total | 439 | 386 |
Estimated amortization expense for intangible assets |  |  |
Total | 439 | 386 |
Acquired technology |  |  |
Intangible Assets |  |  |
Weighted Average Amortization Period | 4 years | 4 years |
Gross Carrying Amount | 167 | 172 |
Accumulated Amortization | 101 | 61 |
Total | 66 | 111 |
Estimated amortization expense for intangible assets |  |  |
Total | 66 | 111 |
Customer relationships |  |  |
Intangible Assets |  |  |
Weighted Average Amortization Period | 5 years | 5 years |
Gross Carrying Amount | 1,337 | 1,379 |
Accumulated Amortization | 290 | 23 |
Total | 1,047 | 1,356 |
Estimated amortization expense for intangible assets |  |  |
Total | $ 1,047 | $ 1,356 |

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