Prepaid expenses and other current assets (Tables)

12 Months Ended

Dec. 31, 2012

Prepaid Expenses and Other Current Assets [Abstract]

Schedule Of Prepaid Expenses and Other Current Assets [Table Text Block]

The components of prepaid expenses and other current assets were as follows:

	December 31,
(In thousands of U.S. dollars)	2011		2012
Valued-added tax recoverable		1,028		1,013
Prepaid expenses		832		906
Advance to suppliers		352		324
Grants recoverable		430		71
Total Prepaid expenses and other current assets		2,642		2,314