Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventories [Abstract]

Components of inventory

	(in thousands)
	September 30,			December 31,
	2012			2011
Finished Goods		$	11,750		$	9,325
Work in process			1,567			1,007
Component parts			2,369			3,778
Service parts			9,783			11,150
		$	25,469		$	25,260