Material Commitments (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Minimum annual operating lease payments as of December 31, 2012 are approximately as follows:

Year ending December 31,	in thousands
2013	$	3,409
2014		2,602
2015		2,351
2016		1,920
2017		41
Thereafter		-
	$	10,323