Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule Of Share Based Compensation Expenses [Table Text Block]

Stock-based compensation expense follows (in thousands):

	Three Months Ended June 30					Six Months Ended June 30,
	2012			2011		2012			2011
Cost of Sales	$	(14	)	$	16	$	(8	)	$	37
Research and Development		78			218		198			429
Marketing and Sales		39			122		150			250
General and Administration		283			295		578			617
Total Stock-Based Compensation	$	386		$	651	$	918		$	1,333