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Unearned Revenue (Tables) | 9 Months Ended
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Sep. 30, 2018
Revenue Recognition And Deferred Revenue [Abstract] |
Schedule of Unearned Revenue by Segment | Unearned revenue by segment was as follows:
| September 30, 2018 |  |  | December 31, 2017 |
Automotive | $ | 1,914 |  |  | $ | — |
Industrial |  | 4,214 |  |  |  | 4,889 |
Total | $ | 6,128 |  |  | $ | 4,889 |
Schedule of Changes in Unearned Revenue | Changes in unearned revenue were as follows:
Nine Months Ended September 30, 2018 |  |  |
Balance, beginning of period | $ | 4,889 |
Additions to unearned revenue |  | 15,467 |
Reclassified to revenue |  | (14,193 | )
Currency impacts |  | (35 | )
Balance, end of period | $ | 6,128 |

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