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Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Revenue: |  |
License and milestone revenue (includes $3,249 and $3,313 from a related party) | $ 19,581 | $ 19,738
Collaboration services and other revenue (includes $340 and $352 from a related party) | 7,310 | 8,544
Total revenue | 26,891 | 28,282
Operating expenses: |  |
Research and development | 46,732 | 43,650
General and administrative | 11,530 | 11,417
Total operating expenses | 58,262 | 55,067
Loss from operations | (31,371) | (26,785)
Interest and other, net |  |
Interest expense | (2,375) | (2,777)
Interest income and other, net | 645 | 1,416
Total interest and other, net | (1,730) | (1,361)
Loss before income taxes | (33,101) | (28,146)
Provision for (benefit from) income taxes | 60 | (305)
Net loss | $ (33,161) | $ (27,841)
Net loss per share - basic and diluted | $ (0.52) | $ (0.45)
Weighted average number of common shares used to calculate net loss per share - basic and diluted | 64,037 | 62,184

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- Definition Revenue from multiple-deliverable arrangements that include licensing fees and services revenue and the amount of consideration recognized during the period for milestones. Licensing revenue is consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. Services revenue may be derived by providing other, non-specified, services during the reporting period. + References No definition available. + Details
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