Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Stockholders' Equity Note [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The components of accumulated other comprehensive income is as follows:

	December 31,
(In thousands of U.S. dollars)	2011		2012
Foreign currency translation		10,057		10,253
Total		10,057		10,253