Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued expenses comprises of the following:

	December 31,
(In thousands of U.S. dollars)	2011		2012
Accrued compensation		2,037		1,671
Accrued social charges		3,441		3,193
Other		-		149
Total accrued expenses		5,478		5,013