Business Segmentation and Geographical Distribution

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Business Segmentation and Geographical Distribution

(13)       Business Segmentation and Geographical Distribution

Revenue from international sources approximated $1,039 and $1,393 for the years ended December 31, 2016 and 2015, respectively. As part of our revenue from international sources, we recognized approximately $902 and $1,339 in product revenue from a number of German companies, in the aggregate, for the years ended December 31, 2016 and 2015, respectively.

Our operations comprise a single business segment and all of our long-lived assets are located within the United States.