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Cash and Cash Equivalents and Restricted Cash (Tables)
12 Months Ended
Dec. 31, 2015
Cash and Cash Equivalents [Abstract]  
Schedule of Cash and Cash Equivalents
Cash and cash equivalents were held in the following geographic regions:
 
December 31,
(In thousands)
2015
 
2014
United States
$
8,458

 
$
43,546

People's Republic of China ("PRC")
28,681

 
45,283

Asia (excluding the PRC)
5,346

 
5,516

Europe
8,093

 
12,912

South America
2,388

 
5,264

Total cash and cash equivalents
$
52,966

 
$
112,521