Income Taxes Components of Deferred tax asset/ liability (Tables)

12 Months Ended

Dec. 31, 2013

Components of deferred tax asset/ liability [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

As of December 31, 2013 and 2012, a valuation allowance has been recorded against 100% of gross deferred tax assets as a result of uncertainties regarding the realization of the asset balance. As of December 31, 2013 and 2012, the Company had no significant deferred tax liabilities. The components of the net deferred income tax asset are as follows (in thousands):

	Year ended 31 December
	2013			2012
Net operating loss carry forwards	$	60,961		$	55,669
Tax credit carry forwards	26,869			24,826
Fixed and intangible assets	7,246			7,486
Capitalized research and development costs	58			58
Reserves and other cumulative temporary differences	19,380			20,910
Gross deferred income tax assets	114,514			108,949
Valuation allowance	(114,514		)	(108,949		)
Net deferred income tax assets	$	—		$	—