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SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Revenues | $ 94,000 | $ 5,108,000 | $ 211,000 | $ 749,000 | $ 220,000 | $ 35,363,000 | $ 251,000 | $ 537,000 | $ 6,162,000 | $ 36,371,000 | $ 1,153,000
Operating expenses | 8,875,000 | 8,985,000 | 9,122,000 | 9,826,000 | 8,864,000 | 8,343,000 | 9,730,000 | 9,993,000 | 36,808,000 | 36,930,000 | 37,465,000
Net (loss) income | $ (8,482,000) | $ (3,576,000) | $ (8,637,000) | $ (8,842,000) | $ (8,468,000) | $ 27,185,000 | $ (9,356,000) | $ (9,315,000) | (29,537,000) | 46,000 | (35,670,000)
Basic and diluted net (loss) income per share | $ (0.05) | $ (0.02) | $ (0.05) | $ (0.06) | $ (0.05) | $ 0.17 | $ (0.06) | $ (0.06) |  |  |
License fee revenue |  |  |  |  |  |  |  |  | $ 6,162,000 | 1,371,000 | $ 1,153,000
Collaboration revenue |  |  |  |  |  |  |  |  |  | $ 35,000,000 |
Janssen Pharmaceuticals | License agreements |  |  |  |  |  |  |  |  |  |  |
License fee revenue |  | $ 5,000,000 |  |  |  |  |  |  |  |  |
Janssen Biotech | License agreements |  |  |  |  |  |  |  |  |  |  |
Collaboration revenue |  |  |  |  |  | $ 35,000,000 |  |  |  |  |

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- Definition Revenue earned during the period relating to 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. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights. + References No definition available. + Details
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