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SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) | NOTE 14. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) The following is a summary of the quarterly results of the Company for the years ended December 31, 2018 and 2017:
(in thousands, except per share data) |  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 71,086 |  |  | $ | 96,905 |  |  | $ | 151,757 |  |  | $ | 131,492 |
Operating expenses |  | $ | 108,533 |  |  | $ | 98,757 |  |  | $ | 97,434 |  |  | $ | 109,621 |
Net (loss) income |  | $ | (41,818 | ) |  | $ | (5,913 | ) |  | $ | 50,764 |  |  | $ | 18,078 |
Net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.47 | ) |  | $ | (0.07 | ) |  | $ | 0.56 |  |  | $ | 0.20 |
Diluted |  | $ | (0.47 | ) |  | $ | (0.07 | ) |  | $ | 0.52 |  |  | $ | 0.19 |
Shares used in the calculation of net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 89,526 |  |  |  | 90,100 |  |  |  | 90,555 |  |  |  | 90,742 |
Diluted |  |  | 89,526 |  |  |  | 90,100 |  |  |  | 96,798 |  |  |  | 95,724 |
2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | — |  |  | $ | 6,335 |  |  | $ | 60,774 |  |  | $ | 94,517 |
Operating expenses |  | $ | 79,932 |  |  | $ | 63,603 |  |  | $ | 66,769 |  |  | $ | 82,683 |
Net (loss) income |  | $ | (78,326 | ) |  | $ | (59,985 | ) |  | $ | (11,125 | ) |  | $ | 6,894 |
Net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.90 | ) |  | $ | (0.68 | ) |  | $ | (0.13 | ) |  | $ | 0.08 |
Diluted |  | $ | (0.90 | ) |  | $ | (0.68 | ) |  | $ | (0.13 | ) |  | $ | 0.07 |
Shares used in the calculation of net (loss) income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 87,283 |  |  |  | 88,063 |  |  |  | 88,325 |  |  |  | 88,665 |
Diluted |  |  | 87,283 |  |  |  | 88,063 |  |  |  | 88,325 |  |  |  | 92,659 |

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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