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Recent Accounting Pronouncements Schedule Of New Accounting Pronouncements And Changes In Accounting Principles (Tables) | 6 Months Ended
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Jun. 30, 2018
Summary of Significant Accounting Policies [Abstract] |
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] | In accordance with the New Revenue Standard requirements, the disclosure of the impact of adoption on the Company's Consolidated Statement of Operations and Balance Sheet was as follows (in thousands):
| Three Months Ended June 30, 2018 |  | Six Months Ended June 30, 2018
(In thousands) | As Reported |  | Effect of Change Higher/ (Lower) |  | Amounts under ASC 605 |  | As Reported |  | Effect of Change Higher/ (Lower) |  | Amounts under ASC 605
Consolidated Statement of Operations |  |  |  |  |  |  |  |  |  |  |
Revenue: |  |  |  |  |  |  |  |  |  |  |
Royalties | $ | 30,049 |  |  | $ | 43,577 |  |  | $ | 73,626 |  |  | $ | 51,423 |  |  | $ | 99,377 |  |  | $ | 150,800 |
Product revenue | 8,087 |  |  | 134 |  |  | 8,221 |  |  | 15,400 |  |  | 377 |  |  | 15,777 |
Contract and other revenue | 18,322 |  |  | (1,349 | ) |  | 16,973 |  |  | 36,061 |  |  | (3,359 | ) |  | 32,702 |
Total revenue | $ | 56,458 |  |  | $ | 42,362 |  |  | $ | 98,820 |  |  | $ | 102,884 |  |  | $ | 96,395 |  |  | $ | 199,279 |
Costs and expenses: |  |  |  |  |  |  |  |  |  |  |
Interest income and other income (expense), net | $ | 8,249 |  |  | $ | (7,041 | ) |  | $ | 1,208 |  |  | $ | 17,365 |  |  | $ | (14,555 | ) |  | $ | 2,810 |
Provision for (benefit from) income taxes | $ | (1,015 | ) |  | $ | 5,806 |  |  | $ | 4,791 |  |  | $ | (4,244 | ) |  | $ | 10,509 |  |  | $ | 6,265 |
Net income (loss) | $ | (15,357 | ) |  | $ | 29,515 |  |  | $ | 14,158 |  |  | $ | (51,046 | ) |  | $ | 71,331 |  |  | $ | 20,285 |
| June 30, 2018
(In thousands) | As Reported |  | Effect of Change Higher/ (Lower) |  | Amounts under ASC 605
Consolidated Balance Sheet |  |  |  |  |
Assets: |  |  |  |  |
Unbilled receivables | $ | 750,875 |  |  | $ | (750,875 | ) |  | $ | — |
Deferred tax assets | 82,111 |  |  | 95,480 |  |  | 177,591 |
Liabilities: |  |  |  |  |
Deferred revenue | 13,900 |  |  | (1,207 | ) |  | 12,693 |
Income taxes payable | 103,598 |  |  | (97,733 | ) |  | 5,865 |
Stockholders’ equity: |  |  |  |  |
Accumulated deficit | 97,383 |  |  | 554,957 |  |  | 652,340 |

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- Definition Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22580-107794 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22499-107794 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.10-01.(b)(6)) -URI http://asc.fasb.org/extlink&oid=27015980&loc=d3e46468-122699 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22583-107794 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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