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Balance Sheet Details (Tables)
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12 Months Ended |
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Dec. 31, 2013
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| Supplemental Balance Sheet Disclosures [Abstract] |
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| Cash, Cash Equivalents and Investments |
| | | | | | | | | | December 31, | | 2013 | | 2012 | Cash and cash equivalents | $ | 26,450 |
| | $ | 21,810 |
| Short-term investments | 35,494 |
| | 50,265 |
| Long-term investments | 24,410 |
| | 5,181 |
| | $ | 86,354 |
| | $ | 77,256 |
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| Inventory |
Inventory consists of the following: | | | | | | | | | | December 31, | | 2013 | | 2012 | Work-in-process | $ | 4,384 |
| | $ | 3,233 |
| Finished goods | 5,648 |
| | 6,658 |
| | $ | 10,032 |
| | $ | 9,891 |
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| Property and Equipment |
Property and equipment consist of the following: | | | | | | | | | | | | | | December 31, | | Useful Life (in Years) | | 2013 | | 2012 | Furniture and fixtures | 5 | | $ | 346 |
| | $ | 355 |
| Machinery and equipment | 3 -5 | | 9,488 |
| | 8,331 |
| Masks and production equipment (1) | 2 | | 4,764 |
| | 4,894 |
| Software | 3 | | 743 |
| | 736 |
| Leasehold improvements | 4 -5 | | 924 |
| | 829 |
| Construction in progress | N/A | | 82 |
| | 20 |
| | | | 16,347 |
| | 15,165 |
| Less accumulated depreciation and amortization | | | (10,836 | ) | | (8,299 | ) | | | | $ | 5,511 |
| | $ | 6,866 |
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(1) In the year ended December 31, 2013, the Company recorded an impairment charge of $1.1 million, reflected in cost of net revenue, related to the remaining net book value of production masks that were previously capitalized, but for which future use is no longer expected. |
| Intangible Assets |
Intangible assets consist of the following: | | | | | | | | | | | | Weighted Average Amortization | | December 31, | | Period (in Years) | | 2013 | | 2012 | Licensed technology | 3 | | $ | 2,821 |
| | $ | 1,865 |
| Less accumulated amortization | | | (2,072 | ) | | (1,590 | ) | | | | $ | 749 |
| | $ | 275 |
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| Amortization of Company's Intangible Assets |
The following table presents future amortization of the Company’s intangible assets at December 31, 2013: | | | | | | Amortization | 2014 | $ | 319 |
| 2015 | 319 |
| 2016 | 111 |
| 2017 | — |
| Total | $ | 749 |
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| Deferred Revenue and Deferred Profit |
Deferred revenue and deferred profit consist of the following: | | | | | | | | | | December 31, | | 2013 | | 2012 | Deferred revenue—rebates | $ | 110 |
| | $ | 23 |
| Deferred revenue—distributor transactions | 3,922 |
| | 3,735 |
| Deferred cost of net revenue—distributor transactions | (1,381 | ) | | (1,469 | ) | | $ | 2,651 |
| | $ | 2,289 |
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| Price Protection Liability |
Accrued price protection liability consists of the following activity: | | | | | | | | | | Years Ended December | | 2013 | | 2012 | Beginning balance | $ | 7,880 |
| | $ | 2,856 |
| Charged as a reduction of revenue | 22,388 |
| | 12,935 |
| Reversal of unclaimed rebates | (50 | ) | | — |
| Payments | (15,201 | ) | | (7,911 | ) | Ending Balance | $ | 15,017 |
| | $ | 7,880 |
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| Accrued Expenses |
Accrued expenses and other current liabilities consist of the following: | | | | | | | | | | December 31, | | 2013 | | 2012 | Accrued technology license payments | $ | 3,000 |
| | $ | 2,996 |
| Accrued professional fees | 390 |
| | 386 |
| Accrued litigation costs | — |
| | 586 |
| Other | 895 |
| | 1,055 |
| | $ | 4,285 |
| | $ | 5,023 |
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