Inventories (Tables)

12 Months Ended

Dec. 31, 2012

INVENTORIES [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consisted of the following at December 31, 2012 and 2011 (in thousands):

	2012		2011
Finished goods	$	38,572	$	32,604
Parts and materials	8,818		18,004
Work in progress	1,875		2,606
Total inventories	$	49,265	$	53,214