2. Inventories, net (Tables)

12 Months Ended

Dec. 31, 2012

Inventories Net Tables

Schedule of components of inventory

	December 31,
	2012		2011
Finished goods	$	4,316	$	3,981
Work in process		6,278		4,671
Raw materials		2,751		3,496
	$	13,345	$	12,148

Schedule of changes in allowance for obsolete or slow moving inventory

	Years Ended December 31,
	2012			2011		2010
Balance, beginning of year	$	2,765		$	2,617	$	2,346
Charged to cost of sales		164			148		271
Disposal of inventory		(97	)		-		-
Balance, end of year	$	2,832		$	2,765	$	2,617