Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Inventory Disclosure [Abstract]

Schedule Of Inventory Current [Table Text Block]

	June 30,		December 31,
	2012		2011
Raw materials	$	71,345	$	65,373
Work-in-progress		23,675		22,937
Finished goods		42,714		52,027
Total	$	137,734	$	140,337