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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2018
Fair Value Disclosures [Abstract] |
Schedule of financial assets measured at fair value on a recurring basis | The following table presents the Company's financial assets that are measured at fair value on a recurring basis as of September 30, 2018 and December 31, 2017, consistent with the fair value hierarchy provisions of the authoritative guidance (in thousands):
|  | September 30, 2018 |  |  | December 31, 2017 |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds (1) |  | $ | 5,753 |  |  | $ | 784 |  |  | $ | 4,969 |  |  | $ | — |  |  | $ | 15,635 |  |  | $ | 7,176 |  |  | $ | 8,459 |  |  | $ | — |
Total assets |  | $ | 5,753 |  |  | $ | 784 |  |  | $ | 4,969 |  |  | $ | — |  |  | $ | 15,635 |  |  | $ | 7,176 |  |  | $ | 8,459 |  |  | $ | — |
(1) | Money market funds are included in cash and cash equivalents on the accompanying consolidated balance sheets as of September 30, 2018 and December 31, 2017.

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class 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 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 2: 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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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