Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventory Disclosure [Abstract]

Schedule Of Inventory Current [Table Text Block]

	March 31,		December 31,
	2012		2011
Raw materials	$	69,504	$	65,373
Work-in-progress		23,889		22,937
Finished goods		41,077		52,027
Total	$	134,470	$	140,337