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QUARTERLY SUPPLEMENTAL FINANCIAL DATA (UNAUDITED) (Tables) | 12 Months Ended
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Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract] |
Quarterly supplemental financial data (unaudited) | Presented below is a summary of the unaudited quarterly financial information for the year ended December 31, 2014 (in thousands, except per share data):
|  | Three Months Ended |  |
|  | March 31, 2014 |  | June 30, 2014 (1) |  | September 30, 2014 |  | December 31, 2014 (1) |  | Total
Revenue |  | $ | 37,839 |  |  | $ | 64,127 |  |  | $ | 32,892 |  |  | $ | 56,173 |  |  | $ | 191,031 |
Net income |  | $ | 4,022 |  |  | $ | 20,422 |  |  | $ | 4,284 |  |  | $ | 13,126 |  |  | $ | 41,854 |
Net income per common share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.09 |  |  | $ | 0.44 |  |  | $ | 0.09 |  |  | $ | 0.29 |  |  | $ | 0.90 |
Diluted |  | $ | 0.09 |  |  | $ | 0.44 |  |  | $ | 0.09 |  |  | $ | 0.28 |  |  | $ | 0.90 |
_______________________________________________ (1) The Company receives significant license revenue in the second and fourth quarters; see Note 2 for further details. Presented below is a summary of the unaudited quarterly financial information for the year ended December 31, 2013 (in thousands, except per share data):
|  | Three Months Ended |  |
|  | March 31, 2013 |  | June 30, 2013 (1) |  | September 30, 2013 |  | December 31, 2013 (1) |  | Total
Revenue |  | $ | 14,976 |  |  | $ | 49,359 |  |  | $ | 32,826 |  |  | $ | 49,478 |  | (2) | $ | 146,639 |
Net (loss) income |  | $ | (4,758 | ) |  | $ | 15,382 |  |  | $ | 5,542 |  |  | $ | 57,886 |  | (3) | $ | 74,052 |
Net (loss) income per common share: |  |  |  |  |  |  |  |
Basic |  | $ | (0.10 | ) |  | $ | 0.34 |  |  | $ | 0.12 |  |  | $ | 1.26 |  |  | $ | 1.61 |
Diluted |  | $ | (0.10 | ) |  | $ | 0.33 |  |  | $ | 0.12 |  |  | $ | 1.24 |  |  | $ | 1.59 |
_______________________________________________ (1) The Company receives significant license revenue in the second and fourth quarters; see Note 2 for further details. (2) Includes $1.5 million of revenue that was recognized relating to cash payments received in a prior year that were creditable against license fees and/or royalties for which the Company determined there was no appreciable likelihood of executing a commercial license agreement with the customer (see Note 2). (3) During the three months ended December 31, 2013, the Company released income tax valuation allowances of $59.4 million.

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=35737889&loc=d3e1280-108306 + Details
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