Intangible assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Impaired Intangible Assets [Table Text Block]

The Company’s intangible assets as of March 31, 2013 and December 31, 2012 are summarized as follows (figures are in thousands of USD):

	March 31, 2013			December 31, 2012
Costs:
Patent technology	$	1,962		$	1,901
Management software license		627			622
		2,589			2,523
Less: Amortization		(1,894	)		(1,847	)
	$	695		$	676