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Cash and Cash Equivalents (Tables) | 3 Months Ended
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Mar. 31, 2020
Cash and Cash Equivalents [Abstract] |
Cash and Cash Equivalents by Geographic Region | Cash and cash equivalents were held in the following geographic regions:
(In thousands) | March 31, 2020 |  | December 31, 2019
United States | $ | 10,421 |  |  | $ | 16,751 |
People's Republic of China ("PRC") | 14,105 |  |  | 13,700 |
Asia (excluding the PRC) | 11,052 |  |  | 21,691 |
Europe | 12,810 |  |  | 9,081 |
South America | 10,539 |  |  | 13,079 |
Total cash and cash equivalents | $ | 58,927 |  |  | $ | 74,302 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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