Commitments (Tables)

12 Months Ended

Dec. 31, 2012

Commitments [Abstract]

Schedule Of Future Minimum Rental Payments For Operating Leases [Table Text Block]

Future minimum lease payments under non-cancelable operating leases at December 31, 2012 are:

2013	$	6,404
2014		3,947
2015		2,799
2016		2,370
2017 and thereafter		2,317
	$	17,837