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Business Segmentation and Geographical Distribution
3 Months Ended
Mar. 31, 2016
Segment Reporting [Abstract]  
Business Segmentation and Geographical Distribution

(8) Business Segmentation and Geographical Distribution

Revenue from international sources approximated $124 and $375 for the three months ended March 31, 2016 and 2015, 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.