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Recent Accounting Pronouncements Details (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Jan. 01, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Accounts Receivable, Net, Current | $ 10,572 |  | $ 10,572 |  | $ 4,695 | $ 153
Royalties and contingent legal fees payable | 7,193 |  | 7,193 |  | 3,329 | 1,601
Retained Earnings (Accumulated Deficit) | (411,172) |  | (411,172) |  | (317,512) | (320,018)
Stockholders' Equity Attributable to Noncontrolling Interest | 1,844 |  | 1,844 |  | 1,666 | $ 1,358
Licenses Revenue | 13,725 | $ 36,633 | 82,303 | $ 61,944 |  |
Royalty Expense | 1,181 | 0 | 24,166 | 4,939 |  |
Contingent legal fees | 2,949 | $ 12,173 | 19,745 | $ 16,036 |  |
Adjustments for New Accounting Pronouncement [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Accounts Receivable, Net, Current | 3,322 |  | 3,322 |  | 4,542 |
Royalties and contingent legal fees payable | 1,182 |  | 1,182 |  | 1,728 |
Retained Earnings (Accumulated Deficit) |  |  |  |  | 2,506 |
Stockholders' Equity Attributable to Noncontrolling Interest |  |  |  |  | $ 308 |
Licenses Revenue | (2,073) |  | (1,280) |  |  |
Royalty Expense | 131 |  | 448 |  |  |
Contingent legal fees | (649) |  | (594) |  |  |
Balance before adjustment [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Accounts Receivable, Net, Current | 7,250 |  | 7,250 |  |  |
Royalties and contingent legal fees payable | 6,011 |  | 6,011 |  |  |
Licenses Revenue | 15,798 |  | 83,583 |  |  |
Royalty Expense | 1,050 |  | 23,718 |  |  |
Contingent legal fees | $ 3,598 |  | $ 20,339 |  |  |

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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