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Recent Accounting Pronouncements Details (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jan. 01, 2018 | Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Accounts Receivable, Net, Current | $ 5,629 |  | $ 5,629 |  | $ 4,695 | $ 153
Royalties and contingent legal fees payable | 4,765 |  | 4,765 |  | 3,329 | 1,601
Retained Earnings (Accumulated Deficit) | (377,977) |  | (377,977) |  | (317,512) | (320,018)
Stockholders' Equity Attributable to Noncontrolling Interest | 1,513 |  | 1,513 |  | 1,666 | $ 1,358
Licenses Revenue | 6,485 | $ 16,457 | 68,578 | $ 25,311 |  |
Royalty Expense | 1,241 | 4,273 | 22,985 | 4,939 |  |
Contingent legal fees | 1,037 | $ 3,236 | 16,796 | $ 3,863 |  |
Adjustments for New Accounting Pronouncement [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Accounts Receivable, Net, Current | 2,030 |  | 2,030 |  | 4,542 |
Royalties and contingent legal fees payable | 812 |  | 812 |  | 1,728 |
Retained Earnings (Accumulated Deficit) |  |  |  |  | 2,506 |
Stockholders' Equity Attributable to Noncontrolling Interest |  |  |  |  | $ 308 |
Licenses Revenue | 2,030 |  |  |  |  |
Royalty Expense | 698 |  |  |  |  |
Contingent legal fees | 114 |  |  |  |  |
Balance before adjustment [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Accounts Receivable, Net, Current | 3,599 |  | 3,599 |  |  |
Royalties and contingent legal fees payable | 3,953 |  | $ 3,953 |  |  |
Licenses Revenue | 66,548 |  |  |  |  |
Royalty Expense | 22,287 |  |  |  |  |
Contingent legal fees | $ 16,682 |  |  |  |  |

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- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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