Geographic and Customer Information (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Revenue from External Customers by Geographic Areas [Table Text Block]

Revenue, classified by geographic location from which the revenue was originated, was as follows (in thousands):

	Year Ended December 31,
	2014		2013
Revenue:
United States	$	3,512	$	4,856
Germany		0		168
Total	$	3,512	$	5,024