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FAIR VALUE MEASUREMENTS (Tables) | 12 Months Ended
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Dec. 31, 2018
Fair Value Disclosures [Abstract] |
Financial assets and liabilities measured at fair value on recurring basis | Financial assets and liabilities measured at fair value on a recurring and non-recurring basis as of December 31, 2018 and December 31, 2017 are summarized below:
Description |  | December 31, 2018 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total Gains/(Losses) |
Recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term investments |  | $ | 66,218,000 |  |  | $ | — |  |  | $ | 66,218,000 |  |  | $ | — |  |  | $ | — |
Non-recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licensed technology, net |  | $ | 43,042,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 43,042,000 |  |  | $ | — |
Goodwill |  |  | 32,466,000 |  |  |  | — |  |  |  | — |  |  |  | 32,466,000 |  |  |  | — |
Description |  | December 31, 2017 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total Gains/(Losses) |
Non-recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licensed technology, net |  | $ | 3,977,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,977,000 |  |  | $ | 127,000 |
Goodwill |  |  | 32,466,000 |  |  |  | — |  |  |  | — |  |  |  | 32,466,000 |  |  |  | — |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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