$5 to $10 is around $2.5 B (correct me if I am wrong).
The company believes its chips “could easily be a $10-billion opportunity” if one or more Silicon Valley companies begin to develop devices made with them.
http://www.poet-technologies.com/wp-content/uploads/2013/07/How-to-sell-Silicon-Valley-on-the-death-of-silicon-The-Globe-and-Mail.pdf
cheers