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Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Income Statement [Abstract] |  |  |  |
Net revenues | $ 44,330 | $ 92,673 | $ 129,884 | $ 269,718
Cost of net revenues | 33,844 | 72,290 | 105,343 | 213,463
Gross profit | 10,486 | 20,383 | 24,541 | 56,255
Operating costs and expenses: |  |  |  |
Research and development | 7,006 | 12,438 | 24,164 | 39,267
Sales and marketing | 2,790 | 5,129 | 9,816 | 16,739
General and administrative | 3,381 | 5,128 | 12,881 | 19,209
Amortization of purchased intangible assets | 141 | 141 | 421 | 422
Restructuring and severance charges | 1,064 | 2,411 | 7,480 | 2,411
Total operating costs and expenses | 14,382 | 25,247 | 54,762 | 78,048
Operating loss | (3,896) | (4,864) | (30,221) | (21,793)
Other income (expense): |  |  |  |
Change in fair value of warrant liability | (4,788) | 0 | (4,788) | 0
Interest income (expense), net | (63) | 31 | (28) | 109
Other income (expense), net | (61) | 59 | (118) | (83)
Loss before income taxes | (8,808) | (4,774) | (35,155) | (21,767)
Income tax provision | 24 | 319 | 73 | 340
Net loss | $ (8,832) | $ (5,093) | $ (35,228) | $ (22,107)
Net loss per share: |  |  |  |
Basic and diluted | $ (0.23) | $ (0.15) | $ (0.99) | $ (0.65)
Weighted average shares used in computation of basic and diluted net loss per share: |  |  |  |
Basic and diluted | 38,167 | 34,070 | 35,568 | 33,902

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