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Cash and Cash Equivalents and Restricted Cash (Tables)

6 Months Ended

Jun. 30, 2018

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)	June 30, 2018				December 31, 2017
United States	$	6,465			$	10,489
People's Republic of China ("PRC")	34,710				23,283
Asia (excluding the PRC)	1,348				1,405
Europe	8,139				18,071
South America	8,771				9,190
Total cash and cash equivalents	$	59,433			$	62,438

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Tabular disclosure of the components of cash and cash equivalents.

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