Inventories (Tables)

12 Months Ended

Dec. 31, 2011

INVENTORIES [Abstract]

Schedule of Inventory, Current [Table Text Block]

	2011		2010
Raw materials and parts	$	101,716	$	101,660
Work-in-progress	40,822		36,615
Finished goods	98,883		78,829
	$	241,421	$	217,104