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Financial Statement Details (Details 3) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | ---
Accrued Expenses |  |  |
Royalties | $ 4,349 | $ 5,861 |
Payroll and related expenses | 7,788 | 8,706 |
Product warranty | 2,329 | 1,525 | 2,279
Market development funds and price protection | 2,147 | 1,750 |
Deferred rent | 573 | 1,135 |
Professional fees | 1,549 | 1,213 |
Deferred revenue | 4,630 | 1,060 |
Other | 4,435 | 3,794 |
Accrued expenses, Total | $ 27,800 | $ 25,044 |

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