Business Segmentation and Geographical Distribution

9 Months Ended

Sep. 30, 2013

Segment Reporting [Abstract]

Business Segmentation and Geographical Distribution

(8) Business Segmentation and Geographical Distribution

Revenue from international sources approximated $278,000 and $735,000 for the three and nine months ended September 30, 2013 compared to $187,000 and $466,000 for the same periods in 2012. Other revenue recognized from a Japanese licensee was $0 for the three and nine months ended September 30, 2013, compared to $68,000 and $211,000 for the same periods of 2012. The agreement expired during March of 2013.

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