Most have probably already read it, but below is a link to the recent May Hartley's research update on the company. Always interesting to read their analysis, especially since the coverage has been ongoing and reacted to the various announcements and milestones made by YTC thus far. Cheers.
http://www.ytcresources.com/public/documents/5/11/Hartleys%20Research%20Note%202%20May%202014.pdf