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Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Intangible Assets [Abstract]  
Summary of land use right
  2016  2015 
  (In thousands of 
U.S. Dollars)		 
Land use rights $5,131  $5,674 
Less: accumulated amortization  (448)  (543)
Land use rights, net $4,683  $5,131