Business Segmentation and Geographical Distribution

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Business Segmentation and Geographical Distribution

(8) Business Segmentation and Geographical Distribution

Revenue from international sources approximated $111 and $78 for the three months ended March 31, 2014 and 2013, respectively. All of this revenue was product revenue.

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