From previous post, last year there wasn't a separate 4th qtr earnings call, and annual report released mid-march. Who knows if they will be sticking to this, but shouldn't be surprised if they do. Technically, I think It can be later than mid-march for the annual.
http://agoracom.com/ir/POETTechnologies/forums/discussion/topics/684429-quarterly-timing-clarification/messages/2135067#message