Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

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
	2013		2012		2013		2012
Cost of Sales	$	(5)	$	(14)		2		(8)
Research and Development		46		78		199		198
Marketing and Sales		45		39		172		150
General and Administration		346		283		633		578
Total Stock-Based Compensation	$	432	$	386		1,006		918