Income Taxes Components of income tax expense/ (benefit) (Tables)

12 Months Ended

Dec. 31, 2012

Components of Income Tax Expense/ (Benefit) [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The provision for income taxes consists of the following (in thousands):

	Year ended 31 December
	2012		2011		2010
Federal:
Current	$	—	$	—	$	—
Deferred	—		—		—
Total federal provision	—		—		—
State:
Current	5		4		4
Deferred	—		—		—
Total state provision	5		4		4
Foreign:
Current	214		325		297
Deferred	—		—		—
Total foreign provision	214		325		297
Total income tax expense (benefit)	$	219	$	329	$	301