Inventories (Tables)

6 Months Ended

Jun. 30, 2011

INVENTORIES [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following (in thousands):

	June 30, 2011		December 31, 2010
	(Unaudited)
Finished goods	$	31,843	$	24,476
Parts and materials	8,716		6,727
Work in progress	1,949		2,776
Total inventories, net	$	42,508	$	33,979