Business Segmentation and Geographical Distribution

6 Months Ended

Jun. 30, 2013

Segment Reporting [Abstract]

Business Segmentation and Geographical Distribution

(8) Business Segmentation and Geographical Distribution

Revenue from international sources approximated $379,000 and $457,000 for the three and six months ended June 30, 2013, respectively, compared to $185,000 and $279,000 for the same periods in 2012. As part of our revenue from international sources, we recognized approximately $379,000 and $457,000 in product revenue for the three and six months ended June 30, 2013, respectively, compared to $115,000 and $135,000 for the same periods in 2012. Other revenue recognized from a technology license fee from our Japanese licensee was $0 for the three and six months ended June 30, 2013, compared to $68,000 and $143,000 for the same periods in 2012. The agreement expired as of March 31, 2013.

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