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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2018
Fair Value Disclosures [Abstract] |
Schedule of Company's Financial Assets and (Liabilities) at Fair Value on Recurring Basis | The following table summarizes the basis used to measure the Company’s financial assets at fair value on a recurring basis in the balance sheets at September 30, 2018 and December 31, 2017:
| Basis of Fair Value Measurements
| Balance at September 30, 2018 |  | Level 1 |  | Level 2 |  | Level 3
Available for sale securities | $ | 8,081 |  |  | $ | 8,081 |  |  | $ | — |  |  | $ | — |
Foreign currency exchange contracts | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Contingent consideration | $ | 3,375 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,375 |
| Basis of Fair Value Measurements
| Balance at December 31, 2017 |  | Level 1 |  | Level 2 |  | Level 3
Available for sale securities | $ | 6,742 |  |  | $ | 6,742 |  |  | $ | — |  |  | $ | — |
Foreign currency exchange contracts | $ | 5,779 |  |  | $ | — |  |  | $ | 5,779 |  |  | $ | — |
Contingent consideration | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |

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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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